// JavaScript Document
function quoteSubmit_onClick()
{
	var dosubmit = "true"; 
	
	var obj = document.getElementById("txtQuoteEmail");
	if((trim(obj.value) == "") || emailcheck(obj.value) == false )
	{
		alert("Please input a valid email address on which we could contact you");
		dosubmit = "false"; 
		obj.focus();
		
	}
	
	var obj1 = document.getElementById("txtQuoteName");
	if(dosubmit == "true" && trim(obj1.value) == "")
	{
		alert("Kindly provide your name");
		dosubmit = "false"; 
		obj1.focus();
		
	}
	var obj2 = document.getElementById("txtQuoteDetail");
	if(dosubmit == "true" && trim(obj2.value) == "")
	{
		alert("Please tell us something about the work which you have in mind.");
		dosubmit = "false"; 
		obj2.focus();
		
	}
	
	if(dosubmit == "true")
	{
		document.frmQuote.action = "http://www.seostuds.com/request_quote.aspx";
		document.frmQuote.method = "post";
		document.frmQuote.submit();
	}
}

function ltrim(str) { 
	for(var k = 0; k < str.length && isWhitespace(str.charAt(k)); k++);
	return str.substring(k, str.length);
}
function rtrim(str) {
	for(var j=str.length-1; j>=0 && isWhitespace(str.charAt(j)) ; j--) ;
	return str.substring(0,j+1);
}
function trim(str) {
	return ltrim(rtrim(str));
}
function isWhitespace(charToCheck) {
	var whitespaceChars = " \t\n\r\f";
	return (whitespaceChars.indexOf(charToCheck) != -1);
}


function emailcheck(str) {

		var at="@"
		var dot="."
		var lat=str.indexOf(at)
		var lstr=str.length
		var ldot=str.indexOf(dot)
		if (str.indexOf(at)==-1){
		   return false
		}

		if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){
		   return false
		}

		if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){
			return false
		}

		 if (str.indexOf(at,(lat+1))!=-1){
			return false
		 }

		 if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){
			return false
		 }

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

		 return true					
	}