var fadeOutObj = {
	element : '',
	opacity : 0,
	act_opacity : 1
};
var fadeInObj = {
	element : '',
	opacity : 1,
	act_opacity : 0
};
var imgArray = [];
var imgNames = "";
function fadeOut()
{
	act_opacity = fadeOutObj.act_opacity;
	element = fadeOutObj.element;
	if(fadeOutObj.opacity <= fadeOutObj.act_opacity) {
		
		if(typeof element.style.opacity == "string") {
			new_opacity = act_opacity - 0.05;
			element.style.opacity = new_opacity
		} else {
			new_opacity = act_opacity - 5;
			element.filters.alpha.opacity = new_opacity;
			//element.filter = 'alpha(opacity=' + new_opacity*100 + ')';
		}
		fadeOutObj.act_opacity = new_opacity;
		setTimeout("fadeOut();",50);
	}
	
}
function fadeIn() {
	act_opacity = fadeInObj.act_opacity;
	element = fadeInObj.element;
	if(fadeInObj.opacity >= fadeInObj.act_opacity) {
		
		if(typeof element.style.opacity == "string") {
			new_opacity = act_opacity + 0.05;
			element.style.opacity = new_opacity
		} else {
			
			new_opacity = act_opacity + 5;
			element.filters.alpha.opacity = new_opacity;//'alpha(opacity=' + new_opacity*100 + ')';
		}
		fadeInObj.act_opacity = new_opacity;
		setTimeout("fadeIn();",50);
	}
}
function slider(index)
{
	var len,i,element_active,element_nonactive;
	len = imgArray.length;
	if(index == len-1)
	{
		index_1 = 0;
	}else {
		index_1 = index+1;
	}
	element_active = document.getElementById(imgNames+"_"+index);
	element_nonactive = document.getElementById(imgNames+"_"+index_1);
	if(typeof element_active.style.opacity == "string") {
		fadeOutObj.act_opacity = 1;
		fadeInObj.act_opacity = 0;
	}else {
		fadeOutObj.act_opacity = 100;
		fadeInObj.act_opacity = 0;	
		fadeInObj.opacity = 100;	
		fadeOutObj.opacity = 0;	
	}
	fadeOutObj.element = element_active;
	fadeInObj.element = element_nonactive;
	fadeOut();
	fadeIn();
	setTimeout("slider(index_1)",4000);
}