﻿/*
getPageScroll()
Returns array with x,y page scroll values.
Core code from - quirksmode.org
*/
function getPageScroll(){

	var yScroll;

	if (self.pageYOffset) {
		yScroll = self.pageYOffset;
	} else if (document.documentElement && document.documentElement.scrollTop){	 /* Explorer 6 Strict */
		yScroll = document.documentElement.scrollTop;
	} else if (document.body) { /* all other Explorers */
		yScroll = document.body.scrollTop;
	}

	arrayPageScroll = new Array('',yScroll); 
	return arrayPageScroll;
}

/*
 getPageSize()
 Returns array with page width, height and window width, height
 Core code from - quirksmode.org
 Edit for Firefox by pHaez
*/
function getPageSize(){
	
	var xScroll, yScroll;
	
	if (window.innerHeight && window.scrollMaxY) {	
		xScroll = document.body.scrollWidth;
		yScroll = window.innerHeight + window.scrollMaxY;
	} else if (document.body.scrollHeight > document.body.offsetHeight){ /* all but Explorer Mac */
		xScroll = document.body.scrollWidth;
		yScroll = document.body.scrollHeight;
	} else { /* Explorer Mac...would also work in Explorer 6 Strict, Mozilla and Safari */
		xScroll = document.body.offsetWidth;
		yScroll = document.body.offsetHeight;
	}
	
	var windowWidth, windowHeight;
	if (self.innerHeight) {	/* all except Explorer */
		windowWidth = self.innerWidth;
		windowHeight = self.innerHeight;
	} else if (document.documentElement && document.documentElement.clientHeight) { // Explorer 6 Strict Mode
		windowWidth = document.documentElement.clientWidth;
		windowHeight = document.documentElement.clientHeight;
	} else if (document.body) { /* other Explorers */
		windowWidth = document.body.clientWidth;
		windowHeight = document.body.clientHeight;
	}	
	
	/* for small pages with total height less then height of the viewport */
	if(yScroll < windowHeight){
		pageHeight = windowHeight;
	} else { 
		pageHeight = yScroll;
	}

	/* for small pages with total width less then width of the viewport */
	if(xScroll < windowWidth){	
		pageWidth = windowWidth;
	} else {
		pageWidth = xScroll;
	}


	arrayPageSize = new Array(pageWidth,pageHeight,windowWidth,windowHeight); 
	return arrayPageSize;
}

function LoadingMessageLoad(obj)
{
    obj.height = '90';
    obj.width = '300';
}

function CenterObject(objToCenter)
{
    var arrayPageScroll = getPageScroll();
    var arrayPageSize = getPageSize();

    if (objToCenter) {
        try
        {    
            objToCenter.style.top = (arrayPageScroll[1] + ((arrayPageSize[3] - 35 - objToCenter.height) / 2) + 'px');
            objToCenter.style.left = (((arrayPageSize[0] - 20 - objToCenter.width) / 2) + 'px');
		    objToCenter.style.position = 'absolute';
		}
		catch(err)
		{
		   return;
		}
    }
}