if (document.images) {
     var portfolio1 =new Image();
     portfolio1.src="img/Portfolio/portfolio1.jpg";  
     var portfolio3= new Image();
     portfolio3.src="img/Portfolio/portfolio3.jpg";  
     var portfolio7 =new Image();
     portfolio7.src="img/Portfolio/portfolio7.jpg";  
     var portfolio8= new Image(); 
     portfolio8.src="img/Portfolio/portfolio8.jpg";   
     var portfolio14= new Image(); 
     portfolio14.src="img/Portfolio/portfolio14.jpg";   
     var portfolio16= new Image(); 
     portfolio16.src="img/Portfolio/portfolio16.jpg";  
}
/* no need to edit past this point (unless you want to add more image slots) */

function get_Image2(imgName)
{
 if (document.images)
 {
   	document.images['changer2'].src = 'img/Portfolio/' + imgName + '.jpg';

 }
}