function render_grade(url,grade_id,value){
      
	for (i = 1; i<= 5; i++){
		if (i<=value)
			$(grade_id+"_"+i).src = url+"/images/star_full.png";
		else
			$(grade_id+"_"+i).src = url+"/images/star_soft.png";
	}
}

function grd_show(div_id){
	$(div_id).style.display = "block";
}

function grd_hide(div_id){
	$(div_id).style.display = "none";
}


function resize_from_screen(element){
	alert(document.offsetHeight);
	$(element).style.top = 0;
	$(element).style.left = 0;
	//$(element).style.width = window.innerWidth + "px";
	//$(element).style.height = window.innerHeight  + "px";
}