function meretez()
	{
	var balh;
	var mainh;
	var jobbh;
	var minh=500;
	balh=document.getElementById("div_main_box_leftbox").offsetHeight ;
	mainh=document.getElementById("div_main_box_main").offsetHeight ;

	if(mainh<minh && balh<minh)
		{
		document.getElementById("div_main_box").style.height=(minh+110)+"px";
		document.getElementById("div_main_box_main").style.height=minh+"px";
		document.getElementById("div_main_box_leftbox").style.height=minh+"px";
		document.getElementById("div_main_box_leftbox_bg").style.height=minh+"px";
		}
		
	else if(mainh>balh)
		{
		document.getElementById("div_main_box").style.height=(mainh+110)+"px";
		document.getElementById("div_main_box_main").style.height=mainh+"px";
		document.getElementById("div_main_box_leftbox").style.height=mainh+"px";
		document.getElementById("div_main_box_leftbox_bg").style.height=mainh+"px";
		}
	else
		{
		document.getElementById("div_main_box").style.height=(balh+110)+"px";
		document.getElementById("div_main_box_main").style.height=balh+"px";
		document.getElementById("div_main_box_leftbox").style.height=balh+"px";
		document.getElementById("div_main_box_leftbox_bg").style.height=balh+"px";
		}
	}