function returnObjById(id) 
	{ 
		if (document.getElementById) 
			var returnVar = document.getElementById(id); 	
		else if (document.all) 
			var returnVar = document.all[id]; 
		else if (document.layers) 
			var returnVar = document.layers[id]; 
		return returnVar; 
	}
	
	function number_check(value){ 
		return ( 1 - (value%2) ) 
	}

function doUnLoad(){
    //fixContentHeight('homeBodyDiv')
	
	var contentBlock = returnObjById("contentBlock");
	contentBlock.style.display = "none";
	
}

	window.onload = doUnLoad;