// General function that handles details about the client's screen.
            function getScreenSize(minWidth, minHeight) 
            {
	            if(screen && minWidth && minHeight) 
	            {
		            if(screen.width > minWidth && screen.height > minHeight)
		            { 
		                return false;
		            }
		            else { return true; }
	            } 
	            else { return false; }
            }

            function setActiveStyleSheet(title) 
            {
                if(document.getElementsByTagName) 
                {
 	                var i, a, main;
 
            	    for(i=0; (a = document.getElementsByTagName("link")[i]); i++) 
            	    {
            	        if(a.getAttribute("rel").indexOf("style") != -1 && a.getAttribute("title")) 
            	        {
                            a.disabled = true;
                		    if(a.getAttribute("title") == title) a.disabled = false;
			            }
		            }
        	    }
	            return false;
            }