var acrobat=new Object(); 
// Set some base values 
acrobat.installed=false; 
var installed = "No";
acrobat.version='0.0';
if (navigator.plugins && navigator.plugins.length) {     
	for (x=0; x<navigator.plugins.length; x++){        
		if (navigator.plugins[x].description.indexOf('Adobe Acrobat') != -1){             
			acrobat.version=parseFloat(navigator.plugins[x].description.split('Version ')[1]);
			if (acrobat.version.toString().length == 1) acrobat.version+='.0'; 
				acrobat.installed=true;
				break;
		}     
	}
} 
else if (window.ActiveXObject) { 
	for (x=2; x<10; x++){
		try{       
			oAcro=eval("new ActiveXObject('PDF.PdfCtrl."+x+"');");
			if (oAcro){   
				acrobat.installed=true; 
				installed = "Yes";   
				acrobat.version=x+'.0'; 
			}  
		} 
		catch(e) {} 
	}   
	try{ 
		oAcro4=new ActiveXObject('PDF.PdfCtrl.1');
		if (oAcro4){   
			acrobat.installed=true;  
			installed = "Yes"; 
			acrobat.version='4.0';
		} 
	} 
	catch(e) {}
	try{
		oAcro4=new ActiveXObject('AcroPDF.PDF.1');
		if (oAcro4){
			acrobat.installed=true;
			installed = "Yes"; 
			acrobat.version='7.0';
		}
	}
	catch(e) {}
} 
acrobat.ver4=(acrobat.installed && parseInt(acrobat.version) >= 4) ? true:false;
acrobat.ver5=(acrobat.installed && parseInt(acrobat.version) >= 5) ? true:false; 
acrobat.ver6=(acrobat.installed && parseInt(acrobat.version) >= 6) ? true:false;
acrobat.ver7=(acrobat.installed && parseInt(acrobat.version) >= 7) ? true:false;
acrobat.ver8=(acrobat.installed && parseInt(acrobat.version) >= 8) ? true:false;
acrobat.ver9=(acrobat.installed && parseInt(acrobat.version) >= 9) ? true:false;