function random_imglink(){
  var myimages=new Array()
  //specify random images below. You can have as many as you wish
  //myimages[1]="e-banner/Angiogenesis.gif"
  //myimages[2]="e-banner/Nanoscience.gif"
myimages[1]="e-banner/Frontiers in Drug Design & Discovery Volume 1 copy.gif"
myimages[2]="e-banner/Frontiers in Drug Design & Discovery Volume 2 copy.gif"
myimages[3]="e-banner/Frontiers in Drug Design & Discovery Volume 3 copy.gif"
myimages[4]="e-banner/Frontiers in Drug Design & Discovery Volume 4 copy.gif"
myimages[5]="e-banner/Frontiers in Drug Design & Discovery Volume 5 copy.gif"
myimages[6]="e-banner/Latest Findings of Omega3 Long ChainPolyunsaturated Fatty Acids From Molecular Mechanisms to New Applications in Health and Diseases.gif"
myimages[7]="e-banner/Frontiers in Cardiovascular Drug Discovery copy.gif"

myimages[8]="e-banner/Frontiers in Medicinal Chemistry Volume 1 copy.gif"
myimages[9]="e-banner/Frontiers in Medicinal Chemistry Volume 2 copy.gif"
myimages[10]="e-banner/Frontiers in Medicinal Chemistry Volume 3 copy.gif"
myimages[11]="e-banner/Frontiers in Medicinal Chemistry Volume 4 copy.gif"
myimages[12]="e-banner/Frontiers in Medicinal Chemistry Volume 5 copy.gif"

myimages[13]="e-banner/MicroRNAs and Cardiovascular Disease copy.gif"
myimages[14]="e-banner/New Developments in Medicinal Chemistry copy.gif"
myimages[15]="e-banner/Role of Imaging in Adults with Congenital Heart Disease State-of-art Review copy.gif"
myimages[16]="e-banner/4D Fetal Echocardiography copy.gif"
myimages[17]="e-banner/Current Topics on Fetal 3D4D Ultrasound copy.gif"
  //specify corresponding links below
  var imagelinks=new Array()
  //imagelinks[1]="http://benthamscience.com/ebooks/9781608050048/index.htm"
   imagelinks[1]="http://www.benthamscience.com/ebooks/9781608051991/index.htm"
     imagelinks[2]="http://www.benthamscience.com/ebooks/9781608052004/index.htm"
	   imagelinks[3]="http://www.benthamscience.com/ebooks/9781608052011/index.htm"
	     imagelinks[4]="http://www.benthamscience.com/ebooks/9781608052028/index.htm"
       imagelinks[5]="http://www.benthamscience.com/ebooks/9781608052035/index.htm"
		  imagelinks[6]="http://www.benthamscience.com/ebooks/9781608051779/index.htm"
		    imagelinks[7]="http://www.benthamscience.com/ebooks/9781608051601/index.htm"
			
			 imagelinks[8]="http://www.benthamscience.com/ebooks/9781608052042/index.htm"
			  imagelinks[9]="http://www.benthamscience.com/ebooks/9781608052059/index.htm"
			   imagelinks[10]="http://www.benthamscience.com/ebooks/9781608052066/index.htm"
			    imagelinks[11]="http://www.benthamscience.com/ebooks/9781608052073/index.htm"
				 imagelinks[12]="http://www.benthamscience.com/ebooks/9781608052080/index.htm"
				 
				  imagelinks[13]="http://www.benthamscience.com/ebooks/9781608051847/index.htm"
				   imagelinks[14]="http://www.benthamscience.com/ebooks/9781608051274/index.htm"
				    imagelinks[15]="http://www.benthamscience.com/ebooks/9781608050888/index.htm"
					imagelinks[16]="http://www.benthamscience.com/ebooks/9781608050444/index.htm"
					imagelinks[17]="http://www.benthamscience.com/ebooks/9781608050192/index.htm"
					
  //imagelinks[3]="http://www.java-scripts.net"

  var ry=Math.floor(Math.random()*myimages.length)

  if (ry==0)
     ry=1
     document.write('<a href='+'"'+imagelinks[ry]+'"'+' onclick="window.open(this.href); return false;"><img src="'+myimages[ry]+'" border=0></a>')
}

  random_imglink()