function resize(id1, id2){
	if (document.body.clientHeight < 100) {
		document.getElementById(id2).style.height='100px';
		} else {
		document.getElementById(id1).style.height = document.getElementById(id2).clientHeight - 168 + 'px';
		}
	}
	
/* TRI-ENNIUM */
function enlarge(src,id) {
	/* elements */
	var contentMin = document.getElementById('min_'+id);
	var contentPlus = document.getElementById('plus_'+id);
	var contentImg = document.getElementById('img_'+id);
	
	setContentVisibilty('min_'+id);
	setContentVisibilty('plus_'+id);
	contentImg.src=src;
}

function setContentVisibilty(id){
	var elm = document.getElementById(id);
	if (elm.className == 'hidden') {
			showContent(id);
		}
		else {
			hideContent(id);
		}
	}

function hideContent(id) {
	elm = document.getElementById(id);
	elm.className = 'hidden';
	}
	
function showContent(id) {
	elm = document.getElementById(id);
	elm.className = 'visible';
	}
	
function activateInput(elm,classname) {
	elm.value='';
	elm.className=classname;
	}
	
function deactivateInput(elm,classname) {
	elm.className=classname;
	}
	
function writeText(id,text) {
	if (text.length > 0) {
		var elm =document.getElementById(id).innerHTML=text;
		}
	}