<!--

function echeck(str) {
		var emailAlert= "Your Email Address is Invalid!"
		var at="@"
		var dot="."
		var lat=str.indexOf(at)
		var lstr=str.length
		var ldot=str.indexOf(dot)
		if (str.indexOf(at)==-1){
		   alert(emailAlert)
		   return false
		}

		if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){
		   alert(emailAlert)
		   return false
		}

		if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){
		    alert(emailAlert)
		    return false
		}

		 if (str.indexOf(at,(lat+1))!=-1){
		    alert(emailAlert)
		    return false
		 }

		 if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){
		    alert(emailAlert)
		    return false
		 }

		 if (str.indexOf(dot,(lat+2))==-1){
		    alert(emailAlert)
		    return false
		 }
		
		 if (str.indexOf(" ")!=-1){
		    alert(emailAlert)
		    return false
		 }

 		 return true					
	}
	
function validate_form ( )
{
	var emailID=document.contact_form.emailaddress
    valid = true;

    if ( document.contact_form.user.value == "" )
    {
        alert ( "Please fill in the 'Your Name'!" );
        return false
    }
	
	if ((emailID.value==null)||(emailID.value=="")){
		alert ( "Please fill in the 'Your Email Address'!" );
		emailID.focus()
		return false
	}
	if (echeck(emailID.value)==false){
		emailID.value=""
		emailID.focus()
		return false
	}
	
	
	if ( document.contact_form.comments.value == "" )
    {
        alert ( "Please fill in the 'Your Comments'!" );
		document.contact_form.comments.focus()
        valid = false;
    }

    return valid;
}
//-->