function strTrim(tmpStr)
{
	tmpStr = tmpStr.replace(/^\s+/,"");//remove leading
	tmpStr = tmpStr.replace(/\s+$/,"");//remove trailing
	return tmpStr;
}
//------------------------------------------------------------------------------------
function trimFields()
{
	for(var i=0; i < obj.elements.length; i++)
	{
		if(obj.elements[i].type == "text" || obj.elements[i].type == "textarea" || obj.elements[i].type == "password")
		{
			obj.elements[i].value = strTrim(obj.elements[i].value);
		}
	}
}
//------------------------------------------------------------------------------------
function chkEmail(tmpStr)
{
	var email_pat = /^[a-z][a-z0-9_\.\-]*[a-z0-9]@[a-z0-9]+[a-z0-9\.\-_]*\.[a-z]+$/i;
	return(email_pat.test(tmpStr));
}

//============================================
//============ Checks URL against link =======
//============================================
function chkURL(tmpStr)
{
	var url_pat = /^(http|https|ftp):\/\/([\w-]+\.)+[\w-]+(\/[\w-\.\/?%&amp;,=#@\/:]*)?/;
	return(url_pat.test(tmpStr));
}

//-------Checks For Floating Numbers------------
function chkFloat(tmpStr)
{
	var float_pat = /^((\d+(\.\d*)?)|((\d*\.)?\d+))$/;
	return(float_pat.test(tmpStr));
}
//Checks CC Number by pattern
function chkCCNum(tmpStr)
{
	var cc_pat = /^(\d{14,16})$/
	return(cc_pat.test(tmpStr));
}
//Refreshes captcha image
function refreshCaptcha(imgid)
{
	var newimg = new Image();
	newimg.src = 'includes/captcha/captcha.php?hash='+parseInt(Math.random() * 10000000000);
	newimg.onload = function(){document.getElementById(imgid).src = newimg.src;}
}
//Display Security Code help window
function showWindow(fName,width,height)
{
	window.open(fName, '', 'width='+width+',height='+height+',left=200,scrollbars=0,top=30,toolbar=0,menubar=0,location=0');
}

//==============================
//=====Check for characters=====
//==============================
function validateTALength(strField, cntlName, maxChar)
{
	if(obj.elements[cntlName].value.length > maxChar)
	{
		alert(strField+" should be within "+maxChar+" characters.");
		obj.elements[cntlName].focus();
		obj.elements[cntlName].select();
		return false;
	}
	return true;
}