if ( printIsNativeSupport() )
	window.print2 = window.print;
window.print = printFrame;

function printFrame(frame, onfinish)
{
	if ( !frame ) frame = window;

  	function execOnFinish()
  	{
    		switch ( typeof(onfinish) )
    		{
    			case "string":
    				execScript(onfinish);
    				break;
      			case "function":
      				onfinish();
      		}
    		if ( focused && !focused.disabled )
    			focused.focus();
  	}

  	if ( frame.document.readyState !== "complete" && !confirm("Le document à imprimer n'est pas encore chargé! Voulez vous continuer d'imprimer?") )
 	{
    		execOnFinish();
    		return;
  	}

  	if ( window.print2 )
  	{ // IE5
    		var focused = document.activeElement; 
    		frame.focus();
    		if ( frame.print2 )
    			frame.print2();
    		else 
    			frame.print();
    		execOnFinish();
    		return;
  	}

  	var eventScope = printGetEventScope(frame);
  	var focused = document.activeElement;

  	window.printHelper = function()
  	{
    		execScript("on error resume next: printWB.ExecWB 6, 1", "VBScript");
    		printFireEvent(frame, eventScope, "onafterprint");
    		printWB.outerHTML = "";
    		execOnFinish();
    		window.printHelper = null;
  	}

  	document.body.insertAdjacentHTML("beforeEnd","<object id=\"printWB\" width=0 height=0 \ classid=\"clsid:8856F961-340A-11D0-A96B-00C04FD705A2\"></object>");

	printFireEvent(frame, eventScope, "onbeforeprint");
  	frame.focus();
  	window.printHelper = printHelper;
  	setTimeout("window.printHelper()", 0);
}

// helpers
function printIsNativeSupport()
{
	var agent = window.navigator.userAgent;
	var i = agent.indexOf("MSIE ")+5;
	return parseInt(agent.substr(i)) >= 5 && agent.indexOf("5.0b1") < 0;
}

function printFireEvent(frame, obj, name)
{
	var handler = obj[name];
  	switch ( typeof(handler) )
  	{
    		case "string":
    			frame.execScript(handler);
    			break;
    		case "function":
    			handler();
  	}
}

function printGetEventScope(frame)
{
	var frameset = frame.document.all.tags("FRAMESET");
	if ( frameset.length ) return frameset[0];
	return frame.document.body;
}