// JavaScript Document
//Changes done by Sapna
//Updated Bhadra's Regular Expression for name validation with /^([A-Za-z]+\'?[A-Za-z]*)[\d]{0,10}$/

	var W3CDOM = (document.getElementsByTagName && document.createElement);
	
	var fldsarr;
	var msgsarr;
	var msgtype;
	var errors;
	
	function DomValidate(flds,msgs)
	{
		
		this.fldsarr = flds;
		this.msgsarr = msgs;
		this.txtClass = "";
		this.validateForm=validateForm;
		this.validatetype = validatetype;
		this.writeError = writeError;
		this.removeError = removeError;
		this.name = name;
		this.trim = trim; //AG
		this.nsname = nsname;
		this.phno=phno;
		this.required = required;
		this.errors=errors;
		this.msgtype=msgtype;
		this.writeErrors = writeErrors;
		this.email = email;
		this.usphone = usphone;
		this.url = url;
		this.ip = ip;
		this.mobile = mobile;
		this.postcode = postcode;
		this.number = number;
		this.namelen = namelen;
		this.ccv_3 = ccv_3;
		this.visa_num = visa_num;
		this.master_num = master_num;
		this.street_num = street_num;
		this.address = address;
	}
	
	function validateForm(frmname)
	{
		
		var status;
	
		validForm = true;
		firstError = null;
		errorstring = '';
		this.errors = '';
		status = true;	
		
		for (var i=0;i<this.fldsarr.length;i++)
		{ 
			 var x = eval("document."+frmname).elements[this.fldsarr[i][0]];
			 this.fldsarr[i][2] = Array();
			 x.statusArr  = Array();

			 for (var k=0;k<this.fldsarr[i][1].length;k++)
			 {
				 //alert(x+' '+this.fldsarr[i][1][k]+' '+this.msgsarr[i][1][k]);
				 if(this.validatetype(x,this.fldsarr[i][1][k],this.msgsarr[i][1][k]))
				 {
					this.fldsarr[i][2][k] = 't';

					if(!inArray(this.fldsarr[i][2],'f')){
					 this.removeError(x);
					}
				 }
				 else 
				 {
					status=false;
					this.fldsarr[i][2][k] = 'f';
				 }
					x.statusArr = this.fldsarr[i][2];
				//alert(status+'----'+x.name);	
			 }
		}
		if(this.msgtype=='all')
			{
				this.writeErrors(this.errors);
			}
			//alert(this.errors);
		return status;
					
	}
 	function validatetype(obj,type,msg)
	{
	
		switch(type)
		{	
			case 'is_set': return this.is_set(obj,msg);
							  break;
			
			case 'comments': return this.comments(obj,msg);
							  break;
			
			case 'required': return this.required(obj,msg);
							  break;
			
			case 'email': return this.email(obj,msg);
						   break;
			
			case 'phno': return this.phno(obj,msg);
						  break;
						 
			case 'name': return this.name(obj,msg);
			
						 break;
						 
				//AG			 
			case 'trim': return this.trim(obj,msg);
			
						 break;
						 
			case 'nsname': return this.nsname(obj,msg);
							
						 break;
					
			case 'usphone': return this.usphone(obj,msg);
							 break; 
					
			case 'url':  return this.url(obj,msg);
						  break;
					
			case 'ip': return this.ip(obj,msg);
					    break;
					   
			case 'mobile': return this.mobile(obj,msg);
					        break;
					   
			case 'postcode': 

			return this.postcode(obj,msg);
			
					  		 break;
					   
			case 'number': return this.number(obj,msg);
					   		break;
			
			case 'checkfile': return this.checkfile(obj,msg);
							   break;
							   
			case 'namelen': return this.namelen(obj,msg);
							   break;
							   
			case 'ccv_3':    return this.ccv_3(obj,msg);
							  break;
							  
			case 'visa_num':    return this.visa_num(obj,msg);
							  break;		
							  
			case 'master_num':  	return this.master_num(obj,msg);
								break;
			case 'street_num':	return this.street_num(obj,msg);					
							break;
			
			case 'address':		return this.address(obj,msg);					
							break;
					
		}
	
	}
	
 	function required(obj,msg)
	{
		switch(obj.type)
		{
			case 'checkbox': 
				return	check_boxes(obj,msg);
			break;
								
			case 'radio': 
				return	check_boxes(obj,msg);
			break;
				
			case 'select': 
			if(obj.selected==false)
			{
				 if(!msg)
				 {
					this.writeError(obj,'This field is required');
				 }else{
					this.writeError(obj,msg);
				 }
				return false; 
			}			   
			break;
								
			case 'select-multiple': 
				var isSelected = false;
				for(var j=0; j<obj.options.length; j++)
				{ 
					if(obj.options[j].selected)
					{ 
						isSelected = true;
					}
				}
				if(!isSelected){
					 if(!msg)
					 {
						this.writeError(obj,'This field is required');
					 }else{
						this.writeError(obj,msg);
					 }
					return isSelected;				
				}
			break;

			default: 
			if (!obj.value)
			{
				 if(!msg)
				 {
					this.writeError(obj,'This field is required');
				 }else{
					this.writeError(obj,msg);
				 }
				return false; 
			}
						
					
		}
		
		return true;
	}


	function check_boxes(obj,msg)
	{
		 obj=array();
		if(!isArray(obj))
		{
		//	alert(obj.name);
			if(obj.checked==false)
			{
			//	alert(obj.name);
			
				if(!msg)
				 {
					this.writeError(obj,'This field is required');
				 }else{
					this.writeError(obj,msg);
				 }
				return false; 
			}
		}else{
			
			for(var i=0;i<=obj.length;i++)
			{
			//	alert(obj[i].name);
				if(obj[i].checked==false)
				{
					 if(!msg)
					 {
						this.writeError(obj[i],'This field is required');
					 }else{
						this.writeError(obj[i],msg);
					 }
					return false; 
				}	
			}
			
			
		}
		return true;
	}





	function writeError(obj,message)
	{
		validForm = false;
		
		if (W3CDOM)
		{
		//	alert(obj.name);
			obj.style.border="1px solid #FF0000";

			obj.title = message;
			obj.alt = message;	
			obj.setAttribute('alt',message);
			obj.setAttribute('title',message);
			//obj.onchange = DOMVALremoveError(obj,'formfield');
			if (obj.hasError)
				{ 

				if(!inArray(obj.statusArr,'f')){
					this.errors+=message+"<br />";
				}
				//	alert(this.errors);
					return false; 					
				}else {		
//				    alert(this.errors);
					if(!inArray(obj.statusArr,'f')){
						this.errors+=message+"<br />";
					}
				}
		
		if(obj.type == "checkbox" || obj.type == "radio" )
		{
			if(document.getElementById(obj.name+'_'+obj.type+'_span'))
			{
				var sp = document.getElementById(obj.name+'_'+obj.type+'_span');	
			}else{
				var sp = document.createElement('span');	
			}
			
			
			sp.id = obj.name+'_'+obj.type+'_span';
			sp.className = 'error';
			sp.innerHTML= "&laquo;";
			obj.parentNode.appendChild(sp);
		}
			obj.hasError = sp;
	}else{
			errorstring += obj.name + ': ' + message + '\n';
			obj.hasError = true;
		}
		
	}
	
	function writeErrors(message)
	{	
		var oElement;
		if(document.getElementById("showallerrors")){
			oElement=document.getElementById("showallerrors");
			oElement.style.display = "block";
			
			if( message != "" )
			{
				oElement.innerHTML="Error(s) occured during form submission.<br>"+message;
				//alert(oElement.innerHTML);
			}
		}else {
			alert('Please create a div with "showallerrors" as id');
		}
		var iElement;
		//iElement=document.getElementById("showerrimg");
		//iElement.innerHTML="<img src='../images/wrong.gif'>";
	}
	
	
	function DOMVALremoveError(obj,clsname)
	{
		//alert(obj.className);
	
		//obj.className = clsname;
	}
	
	function removeError(obj)
	{
		//obj.className = "formfield";
		
	//	if(isArray(obj))
//		{
//			var k = document.getElementById(obj[obj.length -1].name+'_'+obj[obj.length -1].type+'_span');
//				k.innerHTML = "";
//				k.style.border="";
//				
//		}else{
	//alert("inside remove error");
			obj.style.border=this.txtClass;

			if(document.getElementById(obj.name+'_'+obj.type+'_span'))
			{
				var k = document.getElementById(obj.name+'_'+obj.type+'_span');
				k.innerHTML = "";
			}
	//	}
//		
		obj.hasError = false;

	}


/* Validation functions start here..... */



	function email(obj,msg)
	{
		if (obj.value)
		{
		//if (/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(obj.value))
		//	if (/^[^@ ]+@[^@ ]+(\.[^@ ]+)+$/.test(obj.value))
		if (obj.value.indexOf('@') != -1)
			{
				return true;
			}else{
			  if(!msg)
			  this.writeError(obj,'Please enter a valid email address');
			  else this.writeError(obj,msg);
			  return false;
			}  
	    }
	  return true;
	}
	
/*	function phno(obj,msg)
	{	
		if(obj.value)
		{
			var stripped = obj.value.replace(/[\(\)\.\-\+\ ]/g, '');
			if (isNaN(parseInt(stripped))) 
			{
				  if(!msg)
				  this.writeError(obj,'Please enter a valid Phone Number');
				  else this.writeError(obj,msg);
				  return false;
			}
			if (stripped.length < 8)
			{
				  if(!msg)
				  this.writeError(obj,'Please enter a valid Phone Number');
				  else this.writeError(obj,msg);
				  return false;
			}
		}
	 	return true;
	}*/
	
	function isInteger(s)
{   var i;
    for (i = 0; i < s.length; i++)
    {   
        // Check that current character is number.
        var c = s.charAt(i);
        if (((c < "0") || (c > "9"))) return false;
    }
    // All characters are numbers.
    return true;
}

	function phno(obj,msg)
	{	
		if(obj.value)
		{
			//var stripped = obj.value.replace(/[\(\)\.\-\+\ ]/g, '');
			var stripped = obj.value.replace(/[\(\)\.\-\+\,\[\]\\\/\ ]/g, '');	
			//alert(stripped);
			if (!isInteger(stripped)) 
			{
				  if(!msg)
				  this.writeError(obj,'Please enter a valid Phone Number');
				  else this.writeError(obj,msg);
				  return false;
			}
			if ( (stripped.length < 6 ) )
			{
				  if(!msg)
				  this.writeError(obj,'Please enter a valid Phone Number');
				  else this.writeError(obj,msg);
				  return false;
			}
		}
	 	return true;
	}
	
	function street_num(obj,msg)
	{
		var street = trimAll(obj.value); 
		if(street != "")
		{
			
			
			if (/^((\[|\]|\-|\(|\))*|\w|\s)+$/.test(obj.value))
			{
				return true;	
			}
			else
			{
				  if(!msg)
				  this.writeError(obj,'Please enter a valid Street Number');
				  else this.writeError(obj,msg);
				  return false;
			}
			
		}
		else
		{
				 if(!msg)
				 this.writeError(obj,'Please enter a valid Street Number');
				 else this.writeError(obj,msg);
				 return false;
		}
	 	
	}
	
	function address(obj,msg)
	{
		var addr = trimAll(obj.value); 
		if(addr != "")
		{
			
			
			if (/^((\[|\]|\-|\(|\)|\,|'|&|\.)*|\w|\s)+$/.test(obj.value))
			{
				return true;	
			}
			else
			{
				  if(!msg)
				  this.writeError(obj,'Please enter a valid Address');
				  else this.writeError(obj,msg);
				  return false;
			}
			
			if(  addr.length <= 5  )
			{
				  if(!msg)
				  this.writeError(obj,'Please enter a valid Address');
				  else this.writeError(obj,msg);
				  return false;
			}
			
		}
		else
		{
			return true;
		}
		
	 	
	}
	
	function name(obj,msg)
	{	
		if(obj.value)
		{
			if(/^(([A-Za-z]+\s?\'?[A-Za-z]*)\s?)+[\d]{0,10}$/.test(obj.value))
			{
				return true;
			}
			else
			{
			   if(!msg)
			   this.writeError(obj,'Please enter a valid name');
			   else this.writeError(obj,msg);
			   return false;
			} 
		}
	  return true;
	}
	/* to check whether name is atleast nore than 2 chars */
	function namelen(obj,msg)
	{	
//		alert(obj.value+","+msg);
		var lenval = trimAll(obj.value);
		if(lenval)
		{
			if(lenval.length>2)
			{
				return true;
			}
			else
			{
				if(!msg)
					this.writeError(obj,'Please enter a valid name');
		   		else this.writeError(obj,msg);
		   			return false;
			}
		}
		else
		{
		   if(!msg)
		   this.writeError(obj,'Please enter a valid name');
		   else this.writeError(obj,msg);
		   return false;
		} 
	    return true;
	}
	
	function nsname(obj,msg)
	{	if(obj.value)
		{
			
		if(/^[a-z\']+$/i.test(obj.value))
		{
			
			return true;
		}
		else
		{
		   if(!msg)
		   this.writeError(obj,'Please enter a valid name');
		   else this.writeError(obj,msg);
		   return false;
		} 
		}
		
	  return true;
	}
	function usphone(obj,msg)
	{
		var phstring=obj.value;
		var phoneval=phstring.replace(/[\+\(\)\.\-\ ]/g,'')
		if (phoneval)
		{
		if (/^(\+?\d{2}\s?)?\([0-9]\d{2}\)\s?\d{3}\-?\d{4}$/.test (phoneval))
			{
				return true;
			}
		else
		{
			  if (/^(\+?\d{2}\s?)?\[[0-9]\d{2}\]\s?\d{3}\-?\d{4}$/.test (phoneval))
			  {
				return true;				  
			  }
			  else
			  {
				   if (/^(\+?\d{2}\s?)?[0-9]\d{2}\s?\d{3}\-?\d{4}$/.test (phoneval))
				  {
					return true;					  
				  }
				  else
				  {
					  if(!msg)
					  this.writeError(obj,'Please enter a valid US Phone Number');
					  else this.writeError(obj,msg);
					  return false;
				  }
			  }
			}  
	    }
	  return true;
	}
	function url(obj,msg)
	{
		if (obj.value)
		{
		if (/^(http:\/\/www.|https:\/\/www.|ftp:\/\/www.|www.){1}([\w]+)(.[\w]+){1,2}[\/ ]$/.test (obj.value))
			{
				return true;	
			}else
			{
			  if(!msg)
			  this.writeError(obj,'Please enter a valid URL');
			  else this.writeError(obj,msg);
			  return false;
			}  
	    }
	  return true;
	}
	function ip(obj,msg)
	{
		if (obj.value)
		{
		if ((obj.value != "0.0.0.0") && (obj.value != "255.255.255.255"))
		{
				if (/^(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})$/.test (obj.value))
				{
					return true;
					
				}
				else
				{
					
				  if(!msg)
				  {
				  	this.writeError(obj,'Please enter a valid IP Address');
				  }
				  else
				  {
					  this.writeError(obj,msg);
				  }
				  return false;
				}
				
				
		}
			else
			{
				 if(!msg)
			  	 this.writeError(obj,'Please enter a valid IP Address');
			  	 else this.writeError(obj,msg);
				 return false;
			}
	    }
	  return true;
	}
	
	function mobile(obj,msg)
	{
		if (obj.value)
		{
		if (!(isNaN(obj.value)) && (obj.value.length>9))
			{
				return true;
			}else
			{
			  if(!msg)
			  this.writeError(obj,'Please enter a valid mobile number');
			  else this.writeError(obj,msg);
			  return false;
			}  
	    }
	  return true;
	}
	function is_int(val)
	{
		var str = new String(val);
		arr = str.split(".");
		
		if( arr.length > 1 )
		{
		   return false;
		}
		else
		{
			return true;
		}
		
	}
	
	function ccv_3(obj,msg)
	{
			if( !isNaN(obj.value) && is_int(obj.value) && obj.value.length==3 )
			{
					return true;
			}
			else
			{
				 if(!msg)
			  	this.writeError(obj,'Please enter a valid ccv number');
				else this.writeError(obj,msg);
				return false;
			}
	}
	
	function visa_num(obj,msg)
	{
			if( !isNaN(obj.value) && is_int(obj.value) && ( (obj.value.length==13) || (obj.value.length==16) ) && (get_initial_digit(obj.value) == "4") )
			{
					return true;
			}
			else
			{
				 if(!msg)
			  	this.writeError(obj,'Please enter a valid credit card number');
				else this.writeError(obj,msg);
				return false;
			}
	}
	
	function master_num(obj,msg)
	{
			if( !isNaN(obj.value) && is_int(obj.value) && ( (obj.value.length==16)) && (get_initial_digit(obj.value) == "5") )
			{
					return true;
			}
			else
			{
				 if(!msg)
			  	this.writeError(obj,'Please enter a valid credit card number');
				else this.writeError(obj,msg);
				return false;
			}
	}
	
	function get_initial_digit(val)
	{
		var str = new String(val);
		return str.substring(0,1)
	}
	
	function postcode(obj,msg)
	{
		 
		if (obj.value)
		{
		if (!isNaN(obj.value) && obj.value.length>3)
			{
				return true;
			}else
			{
			  if(!msg)
			  this.writeError(obj,'Please enter a valid postcode');
			  else this.writeError(obj,msg);
			  return false;
			}  
	    }
	  return true;
	}
	
	function number(obj,msg)
	{
		if (obj.value)
		{
		if (!isNaN(obj.value))
			{
				return true;
			}else
			{
			  if(!msg)
			  this.writeError(obj,'Please enter a valid Number');
			  else this.writeError(obj,msg);
			   return false;
			}  
	    }
	 return true;
	}
	
	function checkfile(obj,msg)
	{
		if (obj.value)
		{
		if (/^[\w+\s*]+.[pdf|doc|txt|jpg|gif]+/i.test (obj.value))
			{
				return true;	
			}else
			{
			  if(!msg)
			  this.writeError(obj,'Invalid File Extension');
			  else this.writeError(obj,msg);
			  return false;
			}  
	    }
	  return true;
	}
	
	//function to trim the spaces ->AG
function trimAll(sString) 
{
	while (sString.substring(0,1) == ' ')
	{
		sString = sString.substring(1, sString.length);
	}
	while (sString.substring(sString.length-1, sString.length) == ' ')
	{
		sString = sString.substring(0,sString.length-1);
	}
	return sString;
}

// Removes leading and ending whitespaces ->AG
function trim(obj,msg) 
{	
		if(obj.value)
		{
		if(trimAll(obj.value) != "")
		{
			return true;
		}		
		else
		{
		   if(!msg)
		   this.writeError(obj,'Please enter your name');
		   else this.writeError(obj,msg);
		   return false;
		} 
		}
	  return true;
}
	

/* google toolbar fix [no way related to the class] --ny */


if(window.attachEvent)
    window.attachEvent("onload",setListeners);

function setListeners(){
///hide the show errors div 
if(document.getElementById("showallerrors"))
{
			oElement=document.getElementById("showallerrors");
//			alert(			oElement.style.display);
			oElement.style.display = "none";
}
///End hiding
	
	
	
    inputList = document.getElementsByTagName("INPUT");
    for(i=0;i<inputList.length;i++){
        inputList[i].attachEvent("onpropertychange",restoreStyles);
        inputList[i].style.backgroundColor = "";
    }
    selectList = document.getElementsByTagName("SELECT");
    for(i=0;i<selectList.length;i++){
        selectList[i].attachEvent("onpropertychange",restoreStyles);
        selectList[i].style.backgroundColor = "";
    }
}

function restoreStyles(){
    if(event.srcElement.style.backgroundColor != "")
        event.srcElement.style.backgroundColor = "";
}

function isArray(obj) 
{
   if (obj.constructor.toString().indexOf("Array") == -1)
      return false;
   else
      return true;
}

function inArray(arr,pstr) 
{
	var str;
	str = "  "+arr.toString();
	//alert(str+"---------"+pstr);
   if (str.indexOf(pstr) > 0)
      return true;
   else
      return false;
}
/* google toolbar fix [no way related to the class] --ny */

function comments(obj,msg)	
{
	if(obj.value)
	{
		if(/^(([A-Za-z]+\s?\'?[A-Za-z]*)\s?)+[\d]{0,10}$/.test(obj.value))
		{
			return true;
 		}
		else
		{
		   if(!msg)
		   this.writeError(obj,'Please enter a valid comments');
		   else this.writeError(obj,msg);
		   return false;
		} 
	}
	return true;
}