//
// 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 kreiajOverLay()
{
var objBody = document.getElementsByTagName("body").item(0);
var objOverlay = document.createElement("div");
	objOverlay.setAttribute('id','overlay');
	objOverlay.onclick = function () { return true;}
	objOverlay.style.display = 'none';
	objOverlay.style.position = 'absolute';
	objOverlay.style.top = '0';
	objOverlay.style.left = '0';
	objOverlay.style.zIndex = '90';
 	objOverlay.style.width = '100%';
	objBody.insertBefore(objOverlay, objBody.firstChild);
	
	
}

function sakrijOverLay()
{
	objOverlay = document.getElementById('overlay');
	objOverlay.style.display = 'none';
	for(var i=0; i<=document.getElementsByTagName("object").length; i++)
	{
	try{
	    document.getElementsByTagName("object")[i].style.display="block";
	    }catch(e){}
	}
}

function prikaziOverLay()
{
    var objOverlay = document.getElementById('overlay');
    objOverlay.style.height = (getPageSize()[1] + 'px');
	objOverlay.style.display = 'block';
	objOverlay.style.height = (getPageSize()[1] + 'px');
	for(var i=0; i<=document.getElementsByTagName("object").length; i++)
	{
	try{
	    document.getElementsByTagName("object")[i].style.display="none";
	    }catch(e){}
	}
	
	}
	
function addLoadEvent(func)
{	
	var oldonload = window.onload;
	if (typeof window.onload != 'function'){
    	window.onload = func;
	} else {
		window.onload = function(){
		oldonload();
		func();
		}
	}

}

addLoadEvent(kreiajOverLay); //kreiraj overlay


/*ovdje je funkciopnalnost SEARCHBOX-a*/

function myFocus()
{var watermark = document.getElementById("srchfield");
watermark.className="watermarkInputFocused";watermark.value="";}
function myLostFocus()
{var watermark = document.getElementById("srchfield");
if(watermark.value.length==0){
watermark.className="watermarkInput";watermark.value="Rama WEB search";}
}

function doSearch()
{
document.getElementById("scrhText").value=document.getElementById("srchfield").value;
document.forms["cse-search-box"].submit();
}

function handleSearchEnter (field, event) {
		var keyCode = event.keyCode ? event.keyCode : event.which ? event.which : event.charCode;
		if (keyCode == 13) {
		try{
			var i;
			for (i = 0; i < field.form.elements.length; i++)
				if (field == field.form.elements[i])
					break;
			i = (i + 1) % field.form.elements.length;
			field.form.elements[i].focus();
			}catch(e){}
			doSearch();
			return false;
		} 
		else
		return true;
	}