var ajax = new sack(); 
function getImg(imgname)
 {
	ajax.requestFile = 'ajaxjs/ajax.php?type=getbigimg&imgname='+imgname;	
	ajax.onCompletion = getBigImg;
	ajax.runAJAX();  
 }
function getBigImg()
 {
	var content = ajax.response;	
	document.getElementById("descimg").innerHTML="";
	document.getElementById("descimg").innerHTML=content;
	document.getElementById("first").style.display="none";
    document.getElementById("next").style.display="";
 }
function getpdf(pdf_name)
 {  
	location.href='download_pdf.php?file='+pdf_name;
 }
function getdesc(wname,winedesc,bigimg,linkpdf)
 {   
   getImg(bigimg);  
   document.getElementById("wname").innerHTML="";
   document.getElementById("wname").innerHTML=wname;
   document.getElementById("wdesc").innerHTML="";
   document.getElementById("wdesc").innerHTML=winedesc;   
   if(linkpdf.length >0)
    {
     //document.getElementById("pdfname").innerHTML='<a href="javascript:void(0);" href="javascript:getpdf(\''+linkpdf+'\');" class="link_selected_grey">download<br />tech sheet</a>'; --- Change made by sanjib on 28-07-2008 as per PM instruction
	  document.getElementById("pdfname").innerHTML='<a href="javascript:getpdf(\''+linkpdf+'\');" class="link_selected_grey">download<br />tech sheet</a>'; 
	 document.getElementById("pdfimg").style.display="";
	 //alert(document.getElementById("pdfname").innerHTML);
	 
	} 
   else
    {
	  document.getElementById("pdfname").innerHTML="";
	   document.getElementById("pdfimg").style.display="none";
	}  
 }