if(!document.getElementById){
	if(eval){
	   document.getElementById = eval
	}
}

var my_height;
function detect_height()
{/*   version 1.4.0.00 */


   var xScroll, yScroll;

   if (window.innerHeight && window.scrollMaxY) {
      xScroll = document.body.scrollWidth;
      yScroll = window.innerHeight + window.scrollMaxY;
   } else if (document.body.scrollHeight > document.body.offsetHeight){ // all but Explorer Mac
      xScroll = document.body.scrollWidth;
      yScroll = document.body.scrollHeight;
   } else { // Explorer Mac...would also work in Explorer 6 Strict, Mozilla and Safari
      xScroll = document.body.offsetWidth;
      yScroll = document.body.offsetHeight;
   }

   var windowWidth, windowHeight;
   if (self.innerHeight) { // all except Explorer
      windowWidth = self.innerWidth;
      windowHeight = self.innerHeight;
   } else if (document.documentElement && document.documentElement.clientHeight) { // Explorer 6 Strict Mode
      windowWidth = document.documentElement.clientWidth;
      windowHeight = document.documentElement.clientHeight;
   } else if (document.body) { // other Explorers
      windowWidth = document.body.clientWidth;
      windowHeight = document.body.clientHeight;
   }

   // for small pages with total height less then height of the viewport
   if(yScroll < windowHeight){
      pageHeight = windowHeight;
   } else {
      pageHeight = yScroll;
   }

   // for small pages with total width less then width of the viewport
   if(xScroll < windowWidth){
      pageWidth = windowWidth;
   } else {
      pageWidth = xScroll;
   }

   my_height = pageHeight;
	return my_height;
}


function starer(){
	var maxH = detect_height();
	if (document.getElementById) {
		var otherH = document.getElementById("header").offsetHeight
  						 + document.getElementById("subHeader").offsetHeight
  						 + document.getElementById("centarTop").offsetHeight
  						 + document.getElementById("centarFooter").offsetHeight
  						 + document.getElementById("footer").offsetHeight
		if (maxH > document.getElementById("page").offsetHeight) {
			targetH = maxH - otherH;
			document.getElementById("centarMiddle").style.height = targetH+'px';
		} else if (document.getElementById("page").offsetHeight > document.getElementById("centarMiddle").offsetHeight + otherH) {
			targetH = document.getElementById("page").offsetHeight - otherH;
			document.getElementById("centarMiddle").style.height = targetH+'px';
		}
	}
}