function showhideObj(obj,expand,img)
{
	obj.className = obj.className == "col" ?  "exp" : "col";
	//expand.className = expand.className == "close" ?  "open" : "close";
	img.src = obj.className == "col" ?  "/img/ar_up.gif" : "/img/ar_down.gif";
}

function color_menu(expand)
{
	expand.className = expand.className == "close" ?  "open" : "close";
}

function showhideObjWreath(obj,expand,img)
{
	obj.className = obj.className == "col" ?  "exp" : "col";
	img.src = obj.className == "col" ?  "/img/ar_w_up.gif" : "/img/ar_w_down.gif";
}

function get_iframe_height(img_height)
{
var h=screen.height;
height=h-340-img_height;
//alert(height+'='+h+'-360-'+img_height);
return height;
}