//------ jquery slide toggle system
window.onload=function(e) {
		btn();
		$(function() {$('#nav').droppy({speed: 100});});
}


///------rollover
function btn() {
	if (!document.getElementById) return
	var preload = new Array();
	var source;
	var images = document.getElementsByTagName('img');
	
	for (var i = 0; i < images.length; i++) {		
	if (images[i].className == 'imgover') {
		var src = images[i].getAttribute('src');
		var type = src.substring(src.lastIndexOf('.'), src.length);
		
		var dot = src.lastIndexOf('.');
		var over = src.substr(dot-5,5);
	
		if(over!="-over") {
    		var addsrc = src.replace(type, '-over'+type);
		}else{
			var addsrc = src.replace(type, type);
		}
		
		
		images[i].setAttribute('addsrc', addsrc);
		preload[i] = new Image();
		preload[i].src = addsrc;			
		images[i].onmouseover = function() {
			source = this.getAttribute('src');
			this.setAttribute('src', this.getAttribute('addsrc'));
			}				
		images[i].onmouseout = function() {
			if (!source) source = this.getAttribute('src').replace('-over'+type, type);
			this.setAttribute('src', source);
			}
		}
	}
}