function setCookie(sizename,sizevalue){
		var expires = new Date();
		expires.setTime(expires.getTime() + 12 * 30 * 24 * 60 * 60 * 1000);
		document.cookie = sizename + "=" + sizevalue +"; expires="+ expires.toGMTString();
	}
	function getCookie(sizename){
		var name = sizename + "=";
		var sizea = document.cookie.split(';');
		for(var i=0; i<sizea.length; i++){
			var c = sizea[i].trim();
			if (c.indexOf(name)==0) return c.substring(name.length,c.length);
		}
		return "";
	}

	function openWin(){
		var childrenwidth = getCookie("awidth")
		var childrenheight = getCookie("aheight")
		if (childrenwidth==""){
		var childrenwidth = "600"}
		if (childrenheight==""){
		var childrenheight = "700"}
		var asize = "width = " + childrenwidth + ", height = "+ childrenheight ;
		myWindow=window.open('http://...','',asize);
	}