<!--

function submitform()

{
var strError = "";
var objError = null;



if (document.MailForm.txtName.value=="")  {
			if (objError==null) {
					objError = document.MailForm.txtName;
				}
			  	strError = strError + "Please enter your Name" + "\n";
			}
			
			
			
			
			if (document.MailForm.txtEmailAddress.value=="") {
			if (objError==null) {
					objError = document.MailForm.txtEmailAddress;
				}
			  	strError = strError + "Please enter your Email Address" + "\n";
			}
			
			if (document.MailForm.txtContactComments.value=="") {
			if (objError==null) {
					objError = document.MailForm.txtContactComments;
				}
			  	strError = strError + "Please enter your message" + "\n";
			}
			
			if (document.MailForm.txtEmailAddress.value!="")
			{
			if (echeck(document.MailForm.txtEmailAddress.value)==false)
		       {
			if (objError==null) {
					objError = document.MailForm.txtEmailAddress;
				                 }
			  	strError = strError + "Please enter valid Email Address" + "\n";
			    }
			
			}
			
			
			if (strError=="") {	 document.MailForm.submit();}
            else {if (objError!=null) { objError.focus(); } alert(strError);  }

}

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){
		
		   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){
		  
		    return false
		}

		 if (str.indexOf(at,(lat+1))!=-1){
		   
		    return false
		 }

		 if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){
		   
		    return false
		 }

		 if (str.indexOf(dot,(lat+2))==-1){
		   
		    return false
		 }
		
		 if (str.indexOf(" ")!=-1){
		    
		    return false
		 }

 		 return true					
	}