if (top!= self) top.location.replace(self.location.href)

function katana(){
	
	//window.onresize = doResize;
	
	h1=document.getElementById("leftcol").offsetHeight;
	h2=document.getElementById("maincol").offsetHeight;
	(h1>h2?h=h1:h=h2);
	if (h<500) h=500;
	alert(h);
	document.getElementById("maincol").style.height = h+"px";
	

}