function apri_finestra(url_pag, windowsname, dime, dimes, left, top)
{
	var hWnd = window.open (url_pag, windowsname, "toolbar = no, width = " + dime + ", height = " + dimes + ", left = " + left + ", top = " + top + ", directories = no, status = no, statusbar = no, resizable = yes, menubar = no, scrollbars = yes, location = no");
	if(!hWnd.opener) hWnd.opener = self;
	if(hWnd.focus!=null) hWnd.focus();
}

function changeImage(url, imgTagId)
{
	imgTag = document.getElementById(imgTagId);
	imgTag.setAttribute("src", url);
}

function submitThis(frmName){
	frm = document.getElementById(frmName);
	frm.submit();
}

function changeImageAndListBox(url, productId, imgTagId)
{
	selectList = document.getElementById("product_id_select");
	for(var i = 0; i < selectList.options.length; i++){
		elem = selectList.options[i];
		if(elem.value == productId){
			selectList.selectedIndex = i;
			break;
		}
	}
	imgTag = document.getElementById(imgTagId);
	imgTag.setAttribute("src", url);
}