var alpha=false;
var this_obj="pic2";

function over_act(objname) {
	obj = document.getElementById(this_obj);
	obj.style.filter = "progid:DXImageTransform.Microsoft.Alpha(opacity=100);";
	alpha=100;
	this_obj = objname; 
	downAlpha();
}
function out_act(objname) {
	this_obj = objname; 
	upAlpha();
}	

function downAlpha(){
obj = document.getElementById(this_obj);
	if (alpha>70) {
		alpha--;
		obj.style.filter = "progid:DXImageTransform.Microsoft.Alpha(opacity=" + alpha + ");";
		setTimeout ("downAlpha()",10);
	}
}

function upAlpha(){
obj = document.getElementById(this_obj);
	if (alpha<=100) {
		alpha++;
		obj.style.filter = "progid:DXImageTransform.Microsoft.Alpha(opacity=" + alpha + ");";
		setTimeout ("upAlpha()",10);
	}
}	

function SetCookie (name, value) {
	var largeExpDate = new Date ();
	var argv = SetCookie.arguments;
	var argc = SetCookie.arguments.length;
	largeExpDate.setTime(largeExpDate.getTime() + (365 * 24 * 3600 * 1000));
	var expires = largeExpDate;
	document.cookie = name + "=" + escape (value) +"; expires=" + expires.toGMTString() +  "; path=/";
}


function getCookie(name) {
	if(document.cookie == "") return false;
	else {
		var cookieStart, cookieEnd;
		var cookieString = document.cookie;
		cookieStart = cookieString.indexOf(name+"=");
		if(cookieStart != -1) {
			cookieStart += name.length+1;
			cookieEnd = cookieString.indexOf(";", cookieStart);
			if(cookieEnd == -1) cookieEnd = cookieString.length;
			return cookieString.substring(cookieStart, cookieEnd);
		} else {
			return false;
		}
	}
}

function getshopingcart() {
	var rows = new Array();
	var shopingcart = unescape(getCookie("shopingcart"));
	if(shopingcart) {
	rows = shopingcart.split(" ");
	}
	return rows.length;
}

function emptyshopingcart() {
	SetCookie("shopingcart", "");
	var obj = document.getElementById("shoppingcart");
	obj.innerHTML = "Your cart is empty";
	var obj = document.getElementById("carttable");
	obj.innerHTML = "Your cart is empty";
	alert('Shopping cart is emptied');
	return false;
}

function removeposition(id) {
	var rows = new Array();
	var slices = new Array();
	var shopingcart = unescape(getCookie("shopingcart"));
	var newcartstring = "";
	if(shopingcart) {
		rows = shopingcart.split(" ");
		for(i=0; i<rows.length; i++){
			slices = rows[i].split(":");
			if(slices[0]!=id && slices[0]!='' && slices[1]!='') {
				newcartstring = newcartstring + slices[0]+":"+slices[1]+" ";
			}
		}
		
	}

	if(newcartstring.length) newcartstring = newcartstring.substr(0, newcartstring.length-1);
	SetCookie("shopingcart", newcartstring);
	//var obj = document.getElementById("shoppingcart");
	//obj.innerHTML = "<a href=\"http://www.orndecor.com/shoppingcart/\">Articles: "+(rows.length-1)+"</a>";
	//alert('Article is removed from shoping cart');
}

function toshopingcart(id, variable) {
	var rows = new Array();
	var slices = new Array();
	var shopingcart = unescape(getCookie("shopingcart"));
	var flag_avaible = false;
	if(shopingcart) {
		rows = shopingcart.split(" ");
		for(i=0; i<rows.length; i++){
			slices = rows[i].split(":");
			if(slices[0]==id) {
				flag_avaible = true;
			}
		}
		
	}
	
	if(flag_avaible==false) {
		if(rows && rows[0]!="false") {
			rows[rows.length]=id+":"+variable;
		} else rows[0]=id+":"+variable;
		SetCookie("shopingcart", rows.join(" "));
	}
	var obj = document.getElementById("shoppingcart");
	obj.innerHTML = "<a href=\"http://www.orndecor.com/shoppingcart/\">Articles: "+rows.length+"</a>";
	//document.getElementById("alert").style.display='block';
	if(flag_avaible==false) alert('This article is added into your shopping cart');
	else alert('This article is ALREADY added to your shopping cart');
}