// JavaScript Document
var reWhitespace = /^\s+$/

function isEmpty(s)
{  
 return ((s == null) || (s.length == 0))
}


function isWhitespace (s)
{   
// Is s empty?
    return (isEmpty(s) || reWhitespace.test(s));
}
function isWhitespace (s)
{   
// Is s empty?
    return (isEmpty(s) || reWhitespace.test(s));
}

function echeck(str) {

		var at="@"
		var dot="."
		var lat=str.indexOf(at)
		var lstr=str.length
		var ldot=str.indexOf(dot)
		if (str.indexOf(at)==-1){
		   alert("Invalid E-mail ID")
		   return false
		}

		if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){
		   alert("Invalid E-mail ID")
		   return false
		}

		if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){
		    alert("Invalid E-mail ID")
		    return false
		}

		 if (str.indexOf(at,(lat+1))!=-1){
		    alert("Invalid E-mail ID")
		    return false
		 }

		 if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){
		    alert("Invalid E-mail ID")
		    return false
		 }

		 if (str.indexOf(dot,(lat+2))==-1){
		    alert("Invalid E-mail ID")
		    return false
		 }
		
		 if (str.indexOf(" ")!=-1){
		    alert("Invalid E-mail ID")
		    return false
		 }

 		 return true					
	}


function ValidateNo(NumStr, String)
{    
for(var Idx=0; Idx<NumStr.length; Idx++)    
{        
var Char = NumStr.charAt(Idx);        
var Match = false;        
for(var Idx1=0; Idx1<String.length; Idx1++)        
{            
if(Char == String.charAt (Idx1))                
Match = true;        
}       
 if (!Match)            
return false;    
}    
return true;
} 

 function clear()
{
	document.form1.reset();  
}

function ValidateForm(){
	if((document.form1.txtName.value == null)||isWhitespace(document.form1.txtName.value))
	 {       
	 alert("Please specify your Name");
	 document.form1.txtName.focus();       
	 return false;    
	 }
	 if((document.form1.txtCompanyName.value == null)||isWhitespace(document.form1.txtCompanyName.value))
	 {       
	 alert("Please specify your Company Name");
	 document.form1.txtCompanyName.focus();       
	 return false;    
	 }
	  if((document.form1.txtPosition.value == null)||isWhitespace(document.form1.txtPosition.value))
	 {       
	 alert("Please specify your Position Title");
	 document.form1.txtPosition.focus();       
	 return false;    
	 }
	 
	 
	var emailID=document.form1.txtEmail
	
	if ((emailID.value==null)||(emailID.value=="")){
		alert("Please Enter your E-mail Address")
		emailID.focus()
		return false
	}
	
	if (echeck(emailID.value)==false){
		emailID.value=""
		emailID.focus()
		return false
	}
	 if((document.form1.txtPhone.value == null)||isWhitespace(document.form1.txtPhone.value))
	 {       
	 alert("Please specify Contact Number");       
	 document.form1.txtPhone.focus();       
	 return false;    
	 }
	 
	 if(!ValidateNo(document.form1.txtPhone.value,"1234567890+- "))    
	 {        
	 alert("Please Enter Only Number");        
	 document.form1.txtPhone.focus();        
	 return false;    
	 }
	 
	if((document.form1.txtCity.value == null)|| isWhitespace(document.form1.txtCity.value))
	 {       
	 alert("Please specify your City");
	 document.form1.txtCity.focus();       
	 return false;    
	 }
	 
	 if((document.form1.txtState.value == null)|| isWhitespace(document.form1.txtState.value))
	 {       
	 alert("Please specify your State");
	 document.form1.txtState.focus();       
	 return false;    
	 }
	 
	 if((document.form1.txtCountry.value == null)|| isWhitespace(document.form1.txtCountry.value))
	 {       
	 alert("Please specify your Country");
	 document.form1.txtCountry.focus();       
	 return false;    
	 }
	 
	 if((document.form1.txtAmount.value == null)||isWhitespace(document.form1.txtAmount.value))
	 {       
	 alert("Please specify the Amount in USD for Payment");       
	 document.form1.txtAmount.focus();       
	 return false;    
	 }
	 
	 if(!ValidateNo(document.form1.txtAmount.value,"1234567890+- "))    
	 {        
	 alert("Please Enter Only Number");
	 document.form1.txtAmount.focus();
	 return false;    
	 }
	  if((document.form1.txtPaidFor.value == null)|| isWhitespace(document.form1.txtPaidFor.value))
	 {       
	 alert("Please specify the purpose of payment");
	 document.form1.txtPaidFor.focus();       
	 return false;    
	 }
	 if((document.form1.txtMessage.value == null)|| isWhitespace(document.form1.txtMessage.value))
	 {       
	 alert("Please specify your Message");
	 document.form1.txtMessage.focus();       
	 return false;    
	 }
	 

	 
	 
	 return true;
 }
