var h=0;
function sizeBoxes(cName){
	/*find elements first*/
	var boxes = new Array;
	
	if(typeof(cName)=="undefined"){
	  cName="boxContent";
	}
	boxes = jQuery("."+cName);
//alert(boxes.length);
  if (h>0){
	  //already set
    //	alert(h);
   }else{
	
  	for(i=0;i<boxes.length;i++){
  	  if(cName=="box_content"){
  		var myID = "boxId_" +i;
  		boxes[i].id=myID;
  	}
		myboxh = $(boxes[i]).height();

		if(myboxh>h){
			h=myboxh;
			//alert=h;
		}		
	}
	
}	
//alert(h);
	
	for(j=0;j<boxes.length;j++){
	   if(cName=="box_content"){
		  var myID = "boxId_" +j;
	    boxes[j].id=myID;
	  }

		$(boxes[j]).height(h);

	}

}