function switchDesign()
				{
					var d=new Array(screen.width,screen.height);
					if((d[0]==800) && (d[1]==600))
					{	
						setDeActiveCSS('800x600',false);
						setDeActiveCSS('1024x768',true);
					}
					else
					{
						setDeActiveCSS('1024x768',false);
						setDeActiveCSS('800x600',true);
					}
				}
				
				function setDeActiveCSS(title,action) 
				{
					var sheetList=document.getElementsByTagName('link');
					var j=sheetList.length,i,o;
					
					for(i=0;i<j;i++)
					{
						var o=sheetList[i];
					 	if(o.getAttribute('rel').indexOf('style')!=-1)
						{
							if(title==o.getAttribute('title'))
							{
								o.disabled=action;
								if(action)
								{
								}
							}	
						}
					}				
				}