function windowOpener(url, name, width, height)
{
	var win= null;
	var w = (window.screen.width-width)/2;
	var h = (window.screen.height-height)/2;
	var settings;
	settings ='height='+height+',';
	settings +='width='+width+',';
	settings +='top='+h+',';
	settings +='left='+w+',';
	settings +='scrollbars=yes,';
	settings +='toolbar=no,';
	settings +='resizable=no'+',';
	settings +='status=no';
	win=window.open(url,name,settings);

	if (window.focus)
	{
		win.window.focus();
	}
}
function emailcheck(formname,fieldname) {

	if (eval("document."+formname+"."+fieldname+".value.length")==0){
		alert("Please enter Email");
		eval("document."+formname+"."+fieldname+".focus()")
		return false;
	}
	
	if (eval("document."+formname+"."+fieldname+".value.indexOf('@')")< 0 || eval("document."+formname+"."+fieldname+".value.indexOf('.')")< 0){
		alert("Invalid E-mail");
		eval("document."+formname+"."+fieldname+".select()")
		return false;
	}
 		return true;			
}