function checkform() {	
	
	if (document.contact.name.value == "") 
	{
	
	alert("Name, Email and Comments are required");	
	return false;
	
	} else if (document.contact.email.value == "") 
	{
	
	alert("Name, Email and Comments are required");	
	return false;
	
	} else if (document.contact.comments.value == "") 
	{
	
	alert("Name, Email and Comments are required");	
	return false;
	
	} 
	else return true;
} 

var newWindow = null;

function closeWin(){
	if (newWindow != null){
		if(!newWindow.closed)
			newWindow.close();
	}
}

function popUpWin(url, type, strWidth, strHeight){
	
	closeWin();
	
	if (type == "fullScreen"){
		strWidth = screen.availWidth - 10;
		strHeight = screen.availHeight - 160;
	}
	
	var tools="";
	if (type == "standard" || type == "fullScreen") tools = "resizable,toolbar=yes,location=yes,scrollbars=yes,menubar=yes,width="+strWidth+",height="+strHeight+",top=0,left=0";
	if (type == "console") tools = "resizable,toolbar=no,location=no,scrollbars=no,width="+strWidth+",height="+strHeight+",left=0,top=0";
	newWindow = window.open(url, 'newWin', tools);
	newWindow.focus();
}