var ua = navigator.userAgent.toLowerCase();
var isOpera = (ua.indexOf('opera')  > -1);
var isIE = (!isOpera && ua.indexOf('msie') > -1);
 
function getDocumentHeight() {
  return Math.max(document.compatMode != 'CSS1Compat' ? document.body.scrollHeight : document.documentElement.scrollHeight, getViewportHeight());
}

function getViewportHeight() {
  return ((document.compatMode || isIE) && !isOpera) ? (document.compatMode == 'CSS1Compat') ? document.documentElement.clientHeight : document.body.clientHeight : (document.parentWindow || document.defaultView).innerHeight;
}

function remove_futter() {


//var top_p = getDocumentHeight();

if (getViewportHeight()>=getDocumentHeight())
var top_p = getDocumentHeight()-214;
else var top_p = getDocumentHeight()-100;

document.getElementById('futter').style.top=top_p+"px";
document.getElementById('futter').style.left="0px";
document.getElementById('futter').style.display="block";

}


window.onresize = function() {
re_size_ph();
}

var imgArray = new Array();
var imgArray2 = new Array();

function re_size_ph() {

document.getElementById('ph_t').style.height = ((document.getElementById('ph_t').clientWidth/4)*3)+'px';



var wdth = ((document.getElementById('ph_t').clientWidth)/4)-12;
var k = 0;
for (var i=0; i<document.getElementById('ph_t').childNodes[0].childNodes.length; i++)
	{
		for (var j=0; j<document.getElementById('ph_t').childNodes[0].childNodes[i].childNodes.length; j++)
			{
				imgArray[k] = new Image()
				imgArray2[k] = new Image()
				imgArray2[k].src=document.getElementById('ph_t').childNodes[0].childNodes[i].childNodes[j].childNodes[0].childNodes[0].src;
				re = /\/cb\//ig;
				imgArray[k].src=document.getElementById('ph_t').childNodes[0].childNodes[i].childNodes[j].childNodes[0].childNodes[0].src.replace(re, "/pr/");

				document.getElementById('ph_t').childNodes[0].childNodes[i].childNodes[j].childNodes[0].childNodes[0].style.width = Number(wdth)+'px';
				document.getElementById('ph_t').childNodes[0].childNodes[i].childNodes[j].childNodes[0].childNodes[0].style.height = Number(wdth)+'px';
				k++;
			}
	}
}

function rolover(pixx, hp) {

		if (hp==1) {
		//re = /\/pr\//ig;
		//pixx.src=pixx.src.replace(re, "/cb/");
		pixx.src=imgArray2[pixx.id].src;
		} else {
		//re = /\/cb\//ig;
		//pixx.src=pixx.src.replace(re, "/pr/");
		pixx.src=imgArray[pixx.id].src;
		}
	}