// JavaScript Document
function verifyContact(form)
{
	var correct = true;
	if(form.name.value == ""){correct = false}
	if(form.tel.value == ""){correct = false}
	if(form.email.value == ""){correct = false}
	if(form.comments.value == ""){correct = false}
	if(!correct){alert("Please fill in all the fields"); return false;}
	var validemail = echeck(form.email.value);
	if(!validemail){alert("Please enter a valid email address"); return false;}
	
}


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					
}