function setMainHeight(){
		if(document.getElementById('footer'))
			var footer = document.getElementById('footer');
		var pos = absTop(footer) - 300;
        
        document.getElementById('left').style.height = pos + "px";
		
		if(!document.getElementById('right')){
			document.getElementById('center').style.width = '770px';
		}else{
        	document.getElementById('right').style.height = pos + "px";
		}
}


function popUp(file,width,height) {

	height = parseInt(height);
	width = parseInt(width);
	popup = window.open('/popup.php?f='+file,'popup','width='+width+',height='+height);
}

function setStatus(str) {
	window.status = str;
}

function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}

function absTop(el) {
     return (el.offsetParent)?
     el.offsetTop+absTop(el.offsetParent) : el.offsetTop;
}

  function absLeft(el) {
     return (el.offsetParent)?
     el.offsetLeft+absLeft(el.offsetParent) : el.offsetLeft;
  }