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(str + " is not a valid email address.\nPlease check and try again.0");
		   return false;
		}

		if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){
		   alert(str + " is not a valid email address.\nPlease check and try again.1");
		   return false;
		}

		if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){
		    alert(str + " is not a valid email address.\nPlease check and try again.2");
		    return false;
		}

		 if (str.indexOf(at,(lat+1))!=-1){
		    alert(str + " is not a valid email address.\nPlease check and try again.");
		    return false;
		 }
		 
		 // Check that email doesnt end in a '.'
		 if (ldot == lstr-1){
		    alert(str + " is not a valid email address.\nPlease check and try again.");
		    return false;
		 }

		 if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){
		    alert(str + " is not a valid email address.\nPlease check and try again.");
		    return false;
		 }

		 if (str.indexOf(dot,(lat+2))==-1){
		    alert(str + " is not a valid email address.\nPlease check and try again.");
		    return false;
		 }
		
		 if (str.indexOf(" ")!=-1){
		    alert(str + " is not a valid email address.\nPlease check and try again.");
		    return false;
		 }

 		 return true					
	}

function ValidateForm(){
	var emailID=document.myform.email;
	// If script activated from contact page then check for name and message.
	
	// Check email address for errors	
	if ((emailID.value==null)||(emailID.value=="")){
		alert("Please Enter your Email Address.");
		emailID.focus();
		return false;
	}
	if (echeck(emailID.value)==false){
		emailID.value="";
		emailID.focus();
		return false;
	}
	return true;
 }
 
 function ValidateContactForm(){
	var emailID=document.myform.email;
	var mymessage = document.myform.message;
	var myname = document.myform.name;
	
	if(myname.value==''||myname.value==null){
	alert('Please enter your name.');	
	return false;
	}
	if(mymessage.value == '' || mymessage.value == null){
	alert('Please enter your message.');
	return false;
	}
	
	if ((emailID.value==null)||(emailID.value=="")){
		alert("Please Enter your Email Address.");
		emailID.focus();
		return false;
	}
	if (echeck(emailID.value)==false){
		emailID.value="";
		emailID.focus();
		return false;
	}

	return true;
 }