// set var to page protocol: http:||https:
var proto = parent.location.protocol;

// add onload listener
if(window.addEventListener) {
	window.addEventListener("load",initGlobalListeners,false);
}
else if(window.attachEvent) {
	window.attachEvent("onload",initGlobalListeners);
}		

// preload images
if (document.images)
{
	preload_image_object = new Image();
    // set image url
    image_url = new Array();
    image_url[0] = proto + "//www.sundanceballoons.com/images/menuItemBack_on.gif";
    image_url[1] = proto + "//www.sundanceballoons.com/images/menuItemBack_off.gif";
    image_url[2] = proto + "//www.sundanceballoons.com/images/corp_prog_on.jpg";
    image_url[3] = proto + "//www.sundanceballoons.com/images/corp_prog_off.jpg";
    image_url[4] = proto + "//www.sundanceballoons.com/images/inflatables_on.jpg";
    image_url[5] = proto + "//www.sundanceballoons.com/images/inflatables_off.jpg";

    for(var i=0; i<image_url.length; i++) 
    	preload_image_object.src = image_url[i];
		
}
  


// initialize global event listeners	
function initGlobalListeners() {

	// if logo element is there, add listeners
	if(document.getElementById('logo')) {
		var logoBut = document.getElementById('logo');

		if(window.addEventListener) {
			// attach logo event
			logoBut.addEventListener("click", function(){document.location='http://www.sundanceballoons.com'},false);
		}
		else if(window.attachEvent) {
			// attach logo event
			logoBut.attachEvent("onclick", function(){document.location='http://www.sundanceballoons.com'});
		}		
	}

	// if corp but element is there, add listeners
	if(document.getElementById('corpButton')) {
		var corpBut = document.getElementById('corpButton');

		if(window.addEventListener) {
			// attach corpButton events
			corpBut.addEventListener("mouseover", function(){corpBut.src = proto + "//www.sundanceballoons.com/images/corp_prog_on.jpg";},false);
			corpBut.addEventListener("mouseout", function(){corpBut.src = proto + "//www.sundanceballoons.com/images/corp_prog_off.jpg";},false);
			corpBut.addEventListener("click", function(){document.location = "http://www.sundanceballoons.com/corporate-advertising-programs/";},false);
		}
		else if(window.attachEvent) {
			// attach corpButton events
			corpBut.attachEvent("onmouseover", function(){corpBut.src = proto + "//www.sundanceballoons.com/images/corp_prog_on.jpg";});
			corpBut.attachEvent("onmouseout", function(){corpBut.src = proto + "//www.sundanceballoons.com/images/corp_prog_off.jpg";});
			corpBut.attachEvent("onclick", function(){document.location = "http://www.sundanceballoons.com/corporate-advertising-programs/";});
		}
	}


	// if corp but element is there, add listeners
	if(document.getElementById('infButton')) {
		var infBut 	= document.getElementById('infButton');

		if(window.addEventListener) {
			// attach infButton events
			infBut.addEventListener("mouseover", function(){infBut.src = proto + "//www.sundanceballoons.com/images/inflatables_on.jpg";},false);
			infBut.addEventListener("mouseout", function(){infBut.src = proto + "//www.sundanceballoons.com/images/inflatables_off.jpg";},false);
			infBut.addEventListener("click", function(){document.location = "http://www.sundanceballoons.com/custom-advertising-inflatables/";},false);
		}
		else if(window.attachEvent) {
			// attach infButton events
			infBut.attachEvent("onmouseover", function(){infBut.src = proto + "//www.sundanceballoons.com/images/inflatables_on.jpg";});
			infBut.attachEvent("onmouseout", function(){infBut.src = proto + "//www.sundanceballoons.com/images/inflatables_off.jpg";});
			infBut.attachEvent("onclick", function(){document.location = "http://www.sundanceballoons.com/custom-advertising-inflatables/";});
		}
	}

}