function get_element_heigh(id){
var divHeight;
var obj = document.getElementById(id);

if(obj.offsetHeight)          {divHeight=obj.offsetHeight;}
else if(obj.style.pixelHeight){divHeight=obj.style.pixelHeight;}

return divHeight;
}

function set_element_heigh(height){
var objR = document.getElementById("RIGHTframe");
var objL = document.getElementById("LEFTframe");


objR.style.height = height+'px';
objL.style.height = height+'px';
}

function get_max_heigh(){
var left_height = get_element_heigh("LEFTframe");
var right_height = get_element_heigh("RIGHTframe");

if (left_height > right_height){
	set_element_heigh(left_height);
}else if (left_height < right_height){
	set_element_heigh(right_height);
}

}