//var divID = 'CorpoCentrale';
//var offSet = 17;
var divID = 'boxpagina';
var offSet = 145 + 26 + 65 + 19; //Header + Barra + Footer + Barre_e_Bordi

function setMinHeight(){
	var divObj = document.getElementById(divID);
	divObj.style.minHeight = (getWindowHeight() - offSet) + 'px';
}

function getWindowHeight() {
	var myHeight = 0;
	
	if( typeof( window.innerWidth ) == 'number' ) {
		//Non-IE
		myHeight = window.innerHeight;
	} else if( document.documentElement && ( document.documentElement.clientWidth || document.documentElement.clientHeight ) ) {
		//IE 6+ in 'standards compliant mode'
		myHeight = document.documentElement.clientHeight + 16; //Offset per IE
	} else if( document.body && ( document.body.clientWidth || document.body.clientHeight ) ) {
		//IE 4 compatible
		myHeight = document.body.clientHeight;
	}
	return myHeight;
}

function getNextHighestZindex(obj){
   var highestIndex = 0;
   var currentIndex = 0;
   var elArray = Array();
   if(obj){ elArray = obj.getElementsByTagName('*'); }else{ elArray = document.getElementsByTagName('*'); }
   for(var i=0; i < elArray.length; i++){
      if (elArray[i].currentStyle){
         currentIndex = parseFloat(elArray[i].currentStyle['zIndex']);
      }else if(window.getComputedStyle){
         currentIndex = parseFloat(document.defaultView.getComputedStyle(elArray[i],null).getPropertyValue('z-index'));
      }
      if(!isNaN(currentIndex) && currentIndex > highestIndex){ highestIndex = currentIndex; }
   }
   alert(highestIndex+1);
}