function validateLogin()
{		
	if(trim(document.frmLoginLeft.txtEmail.value).length==0)
	{
		alert("Please enter email.");
		document.frmLoginLeft.txtEmail.focus();
		return false;
	}
	if(!isEmail(document.frmLoginLeft.txtEmail.value))
	{
		alert("Please enter a valid email.");
		document.frmLoginLeft.txtEmail.focus();
		return false;
	}
	if(trim(document.frmLoginLeft.txtPassword.value).length==0)
	{
		alert("Please enter password.");
		document.frmLoginLeft.txtPassword.focus();
		return false;
	}
	return true;
}
function trim(s) 
{
  while (s.substring(0,1) == ' ') {
    s = s.substring(1,s.length);
  }
  while (s.substring(s.length-1,s.length) == ' ') {
    s = s.substring(0,s.length-1);
  }
  return s;
}
function isEmail(aStr)
{
	var reEmail=/^[0-9a-zA-Z_\.-]+\@[0-9a-zA-Z_\.-]+\.[0-9a-zA-Z_\.-]+$/;
	if(!reEmail.test(aStr))
		return false;
	else
		return true;
}
function part_search(siteurl)
{	
	var partno = trim(document.srch_frm.partno.value);
	if(partno == "")
	{
		alert('Please enter a part number.');
		document.srch_frm.partno.focus();
		return false;
	}
	if(partno.indexOf("\\") > -1)
	{
		alert('\\ is not allowed in part number.');
		document.srch_frm.partno.focus();
		return false;
	}
	var partno = partno.replace("%", '@');
	var partno = partno.replace('"', '~');
	location.href = siteurl+'index.php?tplaction=search&keyword=searchpart&partno='+partno;
	return false;
}
// Function to get X pos. 
function xstooltip_findPosX(obj) 
{
	var curleft = 0;
	if (obj.offsetParent) 
	{
		while (obj.offsetParent) 
		{
			curleft += obj.offsetLeft
			obj = obj.offsetParent;
		}
	}
	else if (obj.x)
		curleft += obj.x;
	return curleft;
}

// Function to get Y pos.
function xstooltip_findPosY(obj) 
{
    var curtop = 0;
    if (obj.offsetParent) 
    {
        while (obj.offsetParent) 
        {
            curtop += obj.offsetTop
            obj = obj.offsetParent;
        }
    }
    else if (obj.y)
        curtop += obj.y;
    return curtop;
}
//Function to show thumbnail div
function xstooltip_show(tooltipId)
{	
	it = document.getElementById(tooltipId);
	it.style.display = 'block'; 
}
 
//Function to hide thumbnail div
function xstooltip_hide(id)
{
    it = document.getElementById(id); 
    it.style.display = 'none'; 
}