function $() {
			  var elements = new Array();
			  for (var i = 0; i < arguments.length; i++) {
				var element = arguments[i];
				if (typeof element == 'string')
				  element = document.getElementById(element);
				if (arguments.length == 1)
				  return element;
				elements.push(element);
			  }
			  return elements;
			}

			function getDeviceId(deviceid)
			{
				document.getElementById("device").value = deviceid.id;
			}
			
			function showDiv(divno)
				{

						if (divno==1)
							{
								if("iPod"==document.getElementById("device").value)
									$("hl2.1").style.display = 'block';
								else if("mobile"==document.getElementById("device").value)
									$("hl2.2").style.display = 'block';
								else if("laptop"==document.getElementById("device").value)
									$("hl2.3").style.display = 'block';
								else if("cds"==document.getElementById("device").value)
									$("hl2.4").style.display = 'block';

	      					$("hl1").style.display = 'none';

								if("iPod"==document.getElementById("device").value)
									$("hl3.1").style.display = 'none';
								else if("mobile"==document.getElementById("device").value)
									$("hl3.2").style.display = 'none';
								else if("laptop"==document.getElementById("device").value)
									$("hl3.3").style.display = 'none';
								else if("cds"==document.getElementById("device").value)
									$("hl3.4").style.display = 'none';
						    
							}
    					else if (divno==2)
							{
							    if("iPod"==document.getElementById("device").value)
									$("hl3.1").style.display = 'block';
								else if("mobile"==document.getElementById("device").value)
									$("hl3.2").style.display = 'block';
								else if("laptop"==document.getElementById("device").value)
									$("hl3.3").style.display = 'block';
								else if("cds"==document.getElementById("device").value)
									$("hl3.4").style.display = 'block';
							
	      					$("hl1").style.display = 'none';

						         if("iPod"==document.getElementById("device").value)
									$("hl2.1").style.display = 'none';
								else if("mobile"==document.getElementById("device").value)
									$("hl2.2").style.display = 'none';
								else if("laptop"==document.getElementById("device").value)
									$("hl2.3").style.display = 'none';
								else if("cds"==document.getElementById("device").value)
									$("hl2.4").style.display = 'none';
			
							}
						else if (divno==3)
							{
							   if("iPod"==document.getElementById("device").value)
									$("hl3.1").style.display = 'block';
								else if("mobile"==document.getElementById("device").value)
									$("hl3.2").style.display = 'block';
								else if("laptop"==document.getElementById("device").value)
									$("hl3.3").style.display = 'block';
								else if("cds"==document.getElementById("device").value)
									$("hl3.4").style.display = 'block';
	      				
							}				
			
				}

				function backPage(divno)
				{
					if (divno==2)
						{
							
							$("hl1").style.display = 'block';
							    if("iPod"==document.getElementById("device").value)
									$("hl2.1").style.display = 'none';
								else if("mobile"==document.getElementById("device").value)
									$("hl2.2").style.display = 'none';
								else if("laptop"==document.getElementById("device").value)
									$("hl2.3").style.display = 'none';
								else if("cds"==document.getElementById("device").value)
									$("hl2.4").style.display = 'none';
						}

					else if(divno==3)
						{
								if("iPod"==document.getElementById("device").value)
								{
									$("hl2.1").style.display = 'block';
									$("hl3.1").style.display = 'none';
								}
							    else if("mobile"==document.getElementById("device").value)
								{
									$("hl2.2").style.display = 'block';
									$("hl3.2").style.display = 'none';
								}
							   else if("laptop"==document.getElementById("device").value)
							   {
									$("hl2.3").style.display = 'block';
									$("hl3.3").style.display = 'none';
							   }
							  else if("cds"==document.getElementById("device").value)
							  {
									$("hl2.4").style.display = 'block';
									$("hl3.4").style.display = 'none';
							  }
							
								

						}
				
				}