<!-- Begin

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("The E-Mail address is not valid.")
		   return false
		}

		if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){
		   alert("The E-Mail address is not valid.")
		   return false
		}

		if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){
		   alert("The E-Mail address is not valid.")
		    return false
		}

		 if (str.indexOf(at,(lat+1))!=-1){
		   alert("The E-Mail address is not valid.")
		    return false
		 }

		 if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){
		   alert("The E-Mail address is not valid.")
		    return false
		 }

		 if (str.indexOf(dot,(lat+2))==-1){
		   alert("The E-Mail address is not valid.")
		    return false
		 }
		
		 if (str.indexOf(" ")!=-1){
		   alert("The E-Mail address is not valid.")
		    return false
		 }

 		 return true					
	}

function ValidateForm(){
	var email1=document.contact.submit_by
	var email2=document.contact.submit_by_confirm
	
	if ((email1.value==null)||(email1.value=="")){
		alert("Please enter an E-mail address.")
		email1.focus()
		return false
	}
	if ((email2.value==null)||(email2.value=="")){
		alert("Please enter an E-mail address.")
		email2.focus()
		return false
	}
	if (echeck(email1.value)==false){
		email2.value=""
		email1.value=""
		email1.focus()
		return false
	}
	if (!(email1.value==email2.value)){
		alert("The E-mail addresses are different.")
		email1.focus()
		return false
	}
	return true
 }

//  End -->