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 email address")
		   return false
		}

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

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

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

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

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

 		 return true					
	}




  function checkQuoteForm()
	{
	
	if ((QuoteForm.name.value==null)||(QuoteForm.name.value=="")){
		alert("Please enter name.")
		QuoteForm.name.focus()
		return false
	}
	
		if ((QuoteForm.email.value==null)||(QuoteForm.email.value=="")){
		alert("Please enter email address.")
		QuoteForm.email.focus()
		return false
	}

	if (echeck(QuoteForm.email.value)==false){
		QuoteForm.email.value=""
		QuoteForm.email.focus()
		return false
	}
	if ((QuoteForm.message.value==null)||(QuoteForm.message.value=="")){
		alert("Please enter message.")
		QuoteForm.message.focus()
		return false
	}
	
	else
		return true;
 }