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 address")
		   return false
		}

		if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){
		   alert("Invalid E-mail address")
		   return false
		}

		if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){
		    alert("Invalid E-mail address")
		    return false
		}

		 if (str.indexOf(at,(lat+1))!=-1){
		    alert("Invalid E-mail address")
		    return false
		 }

		 if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){
		    alert("Invalid E-mail address")
		    return false
		 }

		 if (str.indexOf(dot,(lat+2))==-1){
		    alert("Invalid E-mail address")
		    return false
		 }
		
		 if (str.indexOf(" ")!=-1){
		    alert("Invalid E-mail address")
		    return false
		 }

 		 return true					
	}

function ValidateForm(){
	// Check for first name
	var fnameID=document.emform.firstname
	if ((fnameID.value==null)||(fnameID.value=="")){
		alert("Please Enter your first name")
		fnameID.focus()
		return false
	}
	
	// check for valid email
	var femailID=document.emform.email
	if ((femailID.value==null)||(femailID.value=="")){
		alert("Please Enter your email address")
		femailID.focus()
		return false
	}
	if (echeck(femailID.value)==false){
		femailID.value=""
		femailID.focus()
		return false
	}
	
	// check for inquiry
	var inqID=document.emform.inquiry
	if ((inqID.value==null)||(inqID.value=="")){
		alert("Please Enter an inquiry...")
		inqID.focus()
		return false
	}
		
	return true
 }