// F A D E S //

function fadeImg() {new Effect.Appear('fadeImg', {duration: 1.0 });}

function fadeNav() {
new Effect.Appear('nav1', {duration: 2.0 }); new Effect.Appear('nav2', {duration: 3.0 }); new Effect.Appear('nav3', {duration: 4.0 }); new Effect.Appear('nav4', {duration: 5.0 }); new Effect.Appear('nav5', {duration: 6.0 }); new Effect.Appear('nav6', {duration: 7.0 }); new Effect.Appear('nav7', {duration: 8.0 });
}

function fadeNav7() {
new Effect.Appear('nav1', {duration: 2.0 }); new Effect.Appear('nav2', {duration: 3.0 }); new Effect.Appear('nav3', {duration: 4.0 }); new Effect.Appear('nav4', {duration: 5.0 }); new Effect.Appear('nav5', {duration: 6.0 }); new Effect.Appear('nav6', {duration: 7.0 }); new Effect.Appear('nav7', {duration: 8.0 });
}

function fadeNav13() {
new Effect.Appear('nav1', {duration: 2.0 }); new Effect.Appear('nav2', {duration: 2.5 }); new Effect.Appear('nav3', {duration: 3.0 }); new Effect.Appear('nav4', {duration: 3.5 }); new Effect.Appear('nav5', {duration: 4.0 }); new Effect.Appear('nav6', {duration: 4.5 }); new Effect.Appear('nav7', {duration: 5.0 }); new Effect.Appear('nav8', {duration:5.5 }); new Effect.Appear('nav9', {duration: 6.0 }); new Effect.Appear('nav10', {duration: 6.5 }); new Effect.Appear('nav11', {duration: 7.0 }); new Effect.Appear('nav12', {duration: 7.5 }); new Effect.Appear('nav13', {duration: 8.0 });
}

function init(){ // initialization function, called from body onload event

    
//ROLLOVERS
	var bArr = getElementsByClass("navRoll");
	for(var i = 0; i < bArr.length; i++)
		if(bArr[i].addEventListener){
			bArr[i].addEventListener('mouseover', function(event) { this.src = this.src.substring(0, this.src.lastIndexOf(".")-1) + "2.gif"; }, false);
			bArr[i].addEventListener('mouseout', function(event) { this.src  = this.src.substring(0, this.src.lastIndexOf(".")-1) + "1.gif"; }, false);
		}
		else{
			bArr[i].onmouseover = function() { this.src = this.src.substring(0, this.src.lastIndexOf(".")-1) + "2.gif"; }
			bArr[i].onmouseout = function() { this.src = this.src.substring(0, this.src.lastIndexOf(".")-1) + "1.gif"; }
		}

} // end of function 



//===============[ general utilities ]================================================//

function getObj(name){ // returns an object with a specified id tag (name)
	if(document.getElementById) this.obj = document.getElementById(name);
	else if(document.all) this.obj = document.all[name];
	return this.obj;
}
function getElementsByClass(val){ // returns an array of objects with specified class name (val)
	var all = document.all || document.getElementsByTagName('*');
	var arr = [];
	for(var k = 0; k < all.length; k++)
		if(all[k].className == val) arr[arr.length] = all[k];
	return arr;
}