function p77_addCss (URL) {
    var css = document.createElement('link'); // Create node
    css.setAttribute("rel","stylesheet"); // Add Attribute rel
    css.setAttribute("href",URL);  // Add Attribute href
    css.defer = true; // Speed up display 
    document.getElementsByTagName('head')[0].appendChild(css); // inject!
}

function p77_addJavaScript (URL) {
    var javascript = document.createElement('script');
    javascript.setAttribute("type","text/javascript");
    javascript.setAttribute("src",URL); 
    javascript.defer = true;
    document.getElementsByTagName('head')[0].appendChild(javascript); 
}

function opacity(id, opacStart, opacEnd, millisec) {
	//speed for each frame
	var speed = Math.round(millisec / 100);
	var timer = 0;

	//determine the direction for the blending, if start and end are the same nothing happens
	if(opacStart > opacEnd) {
		for(i = opacStart; i >= opacEnd; i--) {
			setTimeout("changeOpac(" + i + ",'" + id + "')",(timer * speed));
			timer++;
		}
	} else if(opacStart < opacEnd) {
		for(i = opacStart; i <= opacEnd; i++)
			{
			setTimeout("changeOpac(" + i + ",'" + id + "')",(timer * speed));
			timer++;
		}
	}
}

//change the opacity for different browsers
function changeOpac(opacity, id) {
	var object = document.getElementById(id).style; 
	object.opacity = (opacity / 100);
	object.MozOpacity = (opacity / 100);
	object.KhtmlOpacity = (opacity / 100);
	object.filter = "alpha(opacity=" + opacity + ")";
}