function getCookie(c_name)
{
if (document.cookie.length>0)
  {
  c_start=document.cookie.indexOf(c_name + "=");
  if (c_start!=-1)
    { 
    c_start=c_start + c_name.length+1; 
    c_end=document.cookie.indexOf(";",c_start);
    if (c_end==-1) c_end=document.cookie.length;
    return unescape(document.cookie.substring(c_start,c_end));
    } 
  }
return "";
}

function setCookie(c_name,value,expiredays)
{
var exdate=new Date();
exdate.setDate(exdate.getDate()+expiredays);
document.cookie=c_name+ "=" +escape(value)+
((expiredays==null) ? "" : ";expires="+exdate.toGMTString());
}

//////////////////////////////////////////////////////////////////////////////
function opacity(id, opacStart, opacEnd, millisec, click) {
    var speed = Math.round(millisec / 100);
    var timer = 0;
	var on = getCookie('on');
	var on = 1;
	/* 
	if(on == 2 && click ==1){
		setCookie('on',2, 1);
	}
	else{
		setCookie('on',1, 1);
	}
	*/
	if(on==1){
		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++;
			}	
		}
		/*
		if(click==1){
			var on = getCookie('on');
			setCookie('on',2, 1);
		
		}
		*/
	}
}
function changeOpac(opacity, id) {

	var allHTMLTags=document.getElementsByTagName("img");
	for (i=0; i<allHTMLTags.length; i++) {
		if (allHTMLTags[i].className==id) {
		var object = allHTMLTags[i].style;
		object.opacity = (opacity / 100);
		object.MozOpacity = (opacity / 100);
		object.KhtmlOpacity = (opacity / 100);
		object.filter = "alpha(opacity=" + opacity + ")";
		}
	}
}