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 ValidateForm(){
	var emailID=document.frmSample.txtEmail
	
	if ((emailID.value==null)||(emailID.value=="")){
		alert("Please Enter your Email ID")
		emailID.focus()
		return false
	}
	if (echeck(emailID.value)==false){
		emailID.value=""
		emailID.focus()
		return false
	}
	return true
 }



function sendForm(nm){
	nm.submit.value = "sending..."

	var toname = nm.recipient_name.value; //recipient name

	var toemail = nm.recipient_email.value; //recipient email
	var toemailid = nm.recipient_email; //recipient email
	
	if ((toemailid.value==null)||(toemailid.value=="")){
                alert("You must enter a recipient email address.")
		toemailid.focus()
                return false
        }
        if (echeck(toemailid.value)==false){
                toemailid.value=""
                toemailid.focus()
                return false
        }

	var fromname = nm.sender_name.value; //sender name
	var fromemail = nm.sender_email.value; //send email
	var fromemailid = nm.sender_email; //send email
	
	if ((fromemailid.value==null)||(fromemailid.value=="")){
                alert("You must enter a sender email address.")
                fromemailid.focus()
                return false
        }
        if (echeck(fromemailid.value)==false){
                fromemailid.value=""
                fromemailid.focus()
                return false
        }

	var link = nm.link.value;
	var message = nm.message.value; //the message
	var url = "/wp-content/themes/default/foto-send.php?toname="+toname+"&toemail="+toemail+"&fromname="+fromname+"&fromemail="+fromemail+"&link="+link+"&message="+message;
	loadXMLContent(url,"sendcontainer");
}