var flag = 3;
function placeFocus() 
	{
		if (document.forms.length > 0) 
			{
				var field = document.forms[0];
				for (i = 0; i < field.length; i++) 
					{
						if ((field.elements[i].type == "text") || (field.elements[i].type == "textarea") || (field.elements[i].type.toString().charAt(0) == "s")) 
							{
								document.forms[0].elements[i].focus();
								break;
							}
					}
			}
	}
function validate() 
	{		
		if (document.ibl.backlinkurl.value == "" || document.ibl.backlinkurl.value == "http://www.")
			{
				alert("Please enter complete URL. (format) http://www.yourwebsite.com \n Must include: \n http:// or https:// \n domain name with extension e.g ");
				document.ibl.backlinkurl.focus();
				return false;
			}
		if (!document.ibl.backlinkurl.value.match(/(ftp|http|https):\/\/(\w+:{0,1}\w*@)?(\S+)(:[0-9]+)?(\/|\/([\w#!:.?+=&%@!\-\/]))?/))
			{
				alert("Please enter correct URL. (format) http://www.yourwebsite.com \n Must include: \n http:// or https:// \n domain name with extension e.g ");
				document.ibl.backlinkurl.focus();
				return false;
			}
		document.ibl.submit();
	}
function toggle(div_id) {
	var el = document.getElementById(div_id);
	if ( el.style.display == 'none' ) {	el.style.display = 'block';}
	else {el.style.display = 'none';}
}
function blanket_size(popUpDivVar) {
	if (typeof window.innerWidth != 'undefined') {
		viewportheight = window.innerHeight;
	} else {
		viewportheight = document.documentElement.clientHeight;
	}
	if ((viewportheight > document.body.parentNode.scrollHeight) && (viewportheight > document.body.parentNode.clientHeight)) {
		blanket_height = viewportheight;
	} else {
		if (document.body.parentNode.clientHeight > document.body.parentNode.scrollHeight) {
			blanket_height = document.body.parentNode.clientHeight;
		} else {
			blanket_height = document.body.parentNode.scrollHeight;
		}
	}
	var blanket = document.getElementById('blanket');
	blanket.style.height = blanket_height + 'px';
	var popUpDiv = document.getElementById(popUpDivVar);
	popUpDiv_height=blanket_height/2-150;//150 is half popup's height
	popUpDiv.style.top = popUpDiv_height + 'px';
}
function window_pos(popUpDivVar) {
	if (typeof window.innerWidth != 'undefined') {
		viewportwidth = window.innerHeight;
	} else {
		viewportwidth = document.documentElement.clientHeight;
	}
	if ((viewportwidth > document.body.parentNode.scrollWidth) && (viewportwidth > document.body.parentNode.clientWidth)) {
		window_width = viewportwidth;
	} else {
		if (document.body.parentNode.clientWidth > document.body.parentNode.scrollWidth) {
			window_width = document.body.parentNode.clientWidth;
		} else {
			window_width = document.body.parentNode.scrollWidth;
		}
	}
	var popUpDiv = document.getElementById(popUpDivVar);
	window_width=window_width/2-150;//150 is half popup's width
	popUpDiv.style.left = window_width + 'px';
}
function popup(windowname) {
	if (flag > 1)
		{
			blanket_size(windowname);
			window_pos(windowname);
			toggle('blanket');
			toggle(windowname);
			flag = flag - 1;		
		}
}