/**
 * @author groening
 */

 function lockPage(loader_name){
	var doc_width = document.body.clientWidth;
	var doc_height = document.body.offsetHeight;
	
	$('#' + loader_name).css('width', doc_width);
	$('#' + loader_name).css('height', doc_height);
	$('#' + loader_name).show();
	
	if (document.all && !window.opera) {
		var winPos = pageOffset();
		$('#' + loader_name + '-loader').css('top', winPos.top + 200);
	}
}