function winOpn(){
	width = screen.width - 10;
	height = screen.height - (2*28);
	//alert(width+','+height+'\n'+screen.availHeight);
	//Macp-AIEłheight̎w肪݂
	if(navigator.appVersion.indexOf("Mac") != -1){
		height -= 5;
	}
	if(navigator.appVersion.indexOf("Mac") != -1 && document.all){
		if(screen.width == 1280 && screen.height == 1024){
			height +=12;
		}
		if(screen.width == 1024 && screen.height == 768){
			height +=55;
		}
	}
	if(1300 < screen.width){
		width = 1280;
	}
	if(1100 < screen.height){
		height = 1024;
	}
	
	var str = "width="+width+",height="+height+",left=0,top=0,scrollbars=yes,resizable=yes";
	wcWin = window.open('catalog/catalog.html','wc',str);
	wcWin.focus();
}