// ---------------------------------------------------	*
// UTILITY.JS											*
// Pop-ups, promotion-specific functions	*
// ---------------------------------------------------	*



prepareLinks();
//****************************************  
/* ADD LOAD EVENT 
function addLoadEvent(func) {
	var oldonload = window.onload;
	if (typeof window.onload != 'function') {
		window.onload = func;	
	} else {
		window.onload = function() {
			oldonload();
			func();
		}
	}
}
*/




// ~~~~~pop-ups~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
function prepareLinks() {
	
	if(document.getElementsByTagName) {
		var link = document.getElementsByTagName('a');
	} else { 
		var link = document.links;
	}
	
	for(i=0; i<link.length; i++) {
		//uses the "rel" attribute of the link to determine link behavior
		var linkBehavior = link[i].getAttribute('rel');
		
		if(linkBehavior == 'prize') { //pop-up
			link[i].onclick = function() {
				return openPrize(this.getAttribute('href'));
			}
		}	
		if(linkBehavior == 'prizecntr') { //pop-up
			link[i].onclick = function() {
				return openPrizeCntr(this.getAttribute('href'));
			}
		}	
		if(linkBehavior == 'new') { //sub window
			link[i].onclick = function() {
				return newWindow(this.getAttribute('href'));
			}
		}		
		if(linkBehavior == 'close') {//for close buttons
			link[i].onclick = function() {
				return closeWindow();
			}
		}
		if(linkBehavior == 'tb_close') {//for thickbox close buttons
			if(window.opener){//checks to see if page is opened in a pop-up window, sub-window, target="new" or target="_blank"
				link[i].onclick = function() {
					return closeWindow();
				}
			}
			else {//assumes that page was opened as a thickbox-based popup
				link[i].onclick = function() {
					return closeTBWindow();
					
				}
			}
			
		}
		if(linkBehavior == 'back') {//for back buttons
			link[i].onclick = function() {
				return goBack();
			}
		}
	}	
}


//____________ JS buttons ____________
function closeWindow() {
	self.close();
}
function closeTBWindow() {
	self.parent.tb_remove();
	return false;
}
function goBack() {
	history.go(-1);
	return false;
}


// ____________ pop-up variations _________________
// ____________ flash pop up _________________
function flashPopUp(url) { //called inline in flash movie
	newwindow=window.open("page.do?page="+url,"prize","width=765,height=685,scrollTo,resizable=0,scrollbars=1");
	if (window.focus) {newwindow.focus()}
}


// ----- html functions -----
function openPrize(url) {
	newwindow=window.open(url,"prize","width=460,height=400,scrollTo,resizable=0,scrollbars=1");
	if (window.focus) {newwindow.focus()}
	return false;	
}

function newWindow(url) {
	newwindow=window.open(url,"window","width=800,height=600,scrollTo,resizable,status,directories,menubar,location,toolbar,scrollbars,resizable");
	if (window.focus) {newwindow.focus()}
	return false;
}


function openPrizeCntr(url) {
	
	popWidth= 420;
	popHeight= 400;
	var t = (screen.height-popHeight)/2;
	var l = (screen.width-popWidth)/2;
	newwindow=window.open(url,"prizecntr","width="+popWidth+",height="+popHeight+",top="+t+",left="+l+"scrollTo,resizable=0,scrollbars=1");
	if (window.focus) {newwindow.focus()}
	return false;	
}



// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~