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){
		   document.getElementById('field2').style.backgroundColor='#ff9'; document.getElementById('labelEmail').innerHTML='<span style=color:#fc0>Please enter a valid email address</span>'
		   return false
		}

		if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){
		   document.getElementById('field2').style.backgroundColor='#ff9'; document.getElementById('labelEmail').innerHTML='<span style=color:#fc0>Please enter a valid email address</span>'
		   return false
		}

		if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){
		    document.getElementById('field2').style.backgroundColor='#ff9'; document.getElementById('labelEmail').innerHTML='<span style=color:#fc0>Please enter a valid email address</span>'
		    return false
		}

		 if (str.indexOf(at,(lat+1))!=-1){
		    document.getElementById('field2').style.backgroundColor='#ff9'; document.getElementById('labelEmail').innerHTML='<span style=color:#fc0>Please enter a valid email address</span>'
		    return false
		 }

		 if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){
		    document.getElementById('field2').style.backgroundColor='#ff9'; document.getElementById('labelEmail').innerHTML='<span style=color:#fc0>Please enter a valid email address</span>'
		    return false
		 }

		 if (str.indexOf(dot,(lat+2))==-1){
		    document.getElementById('field2').style.backgroundColor='#ff9'; document.getElementById('labelEmail').innerHTML='<span style=color:#fc0>Please enter a valid email address</span>'
		    return false
		 }
		
		 if (str.indexOf(" ")!=-1){
		    document.getElementById('field2').style.backgroundColor='#ff9'; document.getElementById('labelEmail').innerHTML='<span style=color:#fc0>Please enter a valid email address</span>'
		    return false
		 }

 		 return true					
	}

function ValidateEmail(){
	var emailID=document.contactme.email
	
		if ((emailID.value==null)||(emailID.value=="")){
			document.getElementById('field2').style.backgroundColor='#ff9'; document.getElementById('labelEmail').innerHTML='<span style=color:#fc0>Please enter a valid email address</span>'
			emailID.focus()
			return false
		}
		if (echeck(emailID.value)==false){
			emailID.value=""
			emailID.focus()
			return false
		}
	return true
 	}