function attachOnload(fct) {

	//setup onload function
	if(typeof window.addEventListener != 'undefined')
	{
		//.. gecko, safari, konqueror and standard
		window.addEventListener('load', fct, false);
	}
	else if(typeof document.addEventListener != 'undefined')
	{
		//.. opera 7
		document.addEventListener('load', fct, false);
	}
	else if(typeof window.attachEvent != 'undefined')
	{
		//.. win/ie
		window.attachEvent('onload', fct);
	}

	//** remove this condition to degrade older browsers
	else
	{
		//.. mac/ie5 and anything else that gets this far
		
		//if there's an existing onload function
		if(typeof window.onload == 'function')
		{
			//store it
			var existing = onload;
			
			//add new onload handler
			window.onload = function()
			{
				//call existing onload function
				existing();
				
				//call generic onload function
				fct();
			};
		}
		else
		{
			//setup onload function
			window.onload = fct;
		}
	}
}