function openWin(openUrl, wWidth, wHeight, wResizable, wScrollbars, wMenubar, wToolbar, wDirectories, wLocation, wStatus){
	var param = "";
	if(wWidth && wHeight){
		param = "width=" + wWidth + ",height=" + wHeight + ", ";
	}else if(wWidth){
		param = "width=" + wWidth + ", ";
	}else if(wHeight){
		param = "height=" + wHeight + ", ";
	}
	param += "resizable=" + (wResizable ? "yes" : "no");
	param += ",scrollbars=" + (wScrollbars ? "yes" : "no");
	param += ",menubar=" + (wMenubar ? "yes" : "no");
	param += ",toolbar=" + (wToolbar ? "yes" : "no");
	param += ",directories=" + (wDirectories ? "yes" : "no");
	param += ",location=" + (wLocation ? "yes" : "no");
	param += ",status=" + (wStatus ? "yes" : "no");
	window.open(openUrl, "", param);
}

function preLoadImg(array_img){
	for(var $i = 0; $i < array_img.length; $i++){
		var newImage = new Image();
		newImage.src = array_img[$i];
	}
}

function changeImg(id, img){
	var obj_img = document.getElementById(id);
	obj_img.src = img;
}

function selectStyleSheet(title){
	var i, aLine;
	for(i=0; (aLine=document.getElementsByTagName("link")[i]); i++){
		if(aLine.getAttribute("rel").indexOf("style") != -1 && aLine.getAttribute("title")){
			aLine.disabled = true;
			if(aLine.getAttribute("title") == title){
				aLine.disabled = false;
			}
		}
	}
}