function OpenWin(url,w,h,name) {
	var ozellik;
	var top = (screen.height - h)/2 - 40;
	var left = (screen.width - w)/2; 
	if(top < 0) top = 0; 
	if(left < 0) left = 0; 
	ozellik = 'top=' + top + ',left=' +left; 
	ozellik += ',height=' + h + ',width=' + w + ',resizable=no'; 
	window.open(url, name, ozellik); 	
}
function YarismaBaslasin() {
	if (!window.site_adi) {
		var site_adi = "";
	}
	if (!window.arka_plan_rengi) {
		var arka_plan_rengi = "";
	}
	if (!window.logo_adresi) {
		var logo_adresi = "";
	}
	var yarismaurl = "www.sorushop.com";
	OpenWin("http://" + yarismaurl + "/webyarisma.php?site_adi=" + window.site_adi + "&arka_plan_rengi=" + window.arka_plan_rengi + "&logo_adresi=" + window.logo_adresi,680,510,"SoruShopYarisma");	
}