/***********************************************
* Image Thumbnail Viewer II script- © Dynamic Drive DHTML code library (www.dynamicdrive.com)
* Visit http://www.dynamicDrive.com for hundreds of DHTML scripts
* This notice must stay intact for legal use
***********************************************/

//Specify image paths and optional link (set link to "" for no link):
var dynimages=new Array()
dynimages[0]=['images/chem01.JPG', "",406,1000]
dynimages[1]=['images/chem02.JPG', "",356,503]
dynimages[2]=['images/SLMsurf01.JPG', "",389,504]
dynimages[3]=['images/SLMsurf02.JPG', "",390,505]
dynimages[4]=['images/SLMsurf03.JPG', "",390,500]
dynimages[5]=['images/SLMsurf04.JPG', "",386,487]
dynimages[6]=['images/SLMsurf05.JPG', "",393,495]
dynimages[7]=['images/SLMsurf06.JPG', "",393,501]
dynimages[8]=['images/SLMsurf07.JPG', "",398,493]
dynimages[9]=['images/SLMsurf08.JPG', "",389,475]
dynimages[10]=['images/SLMsurf09.JPG', "",387,495]
dynimages[11]=['images/SLMsurf10.JPG', "",393,511]
dynimages[12]=['images/ugadmissions.JPG', "",500,365]
dynimages[13]=['images/Prism1.jpg', "",500,372]
dynimages[14]=['images/Prism2.jpg', "",500,369]
dynimages[15]=['images/CaltechWomenFacultysmall.jpg', "",469,1000]
dynimages[16]=['images/CaltechWomenStudentssmall.jpg', "",500,922]
dynimages[17]=['images/NYU_Reynolds.jpg', "",413,500]
dynimages[18]=['images/NYU_Today.jpg', "",500, 362]
//Preload images ("yes" or "no"):
var preloadimg="no"


///////No need to edit beyond here/////
if (preloadimg=="yes"){
	for (x=0; x<dynimages.length; x++){
		var myimage=new Image()
		myimage.src=dynimages[x][0]
	}
}

function returnimgcode(theimg){
	var imghtml=""
	var imageheight=theimg[2];
	var imagewidth=theimg[3];
	
	var paddingleft=0;
	var paddingtop=0;
	
	
	// Calculate how much padding on the top and the left
	// is needed to center the image.
	if (imageheight > 500)
	   paddingtop=15;
	else
		paddingtop=15+(500-imageheight)/2;
		   
	if (imagewidth > 500)
	{
	   paddingleft=63;
	   var bg1 = document.getElementById("dynloadarea");

	    bg1.style.width=imagewidth+125;

		var bg2 = document.getElementById('bar');

	    bg2.style.width=imagewidth+125;
	   
	   
   }
	else
	{
	   paddingleft=63+(500-imagewidth)/2; 
	
	    var bg1 = document.getElementById('dynloadarea');

	   bg1.style.width='625px';
	   var bg2 = document.getElementById('bar');
	    
	    bg2.style.width='625px'
	   }
	   

    if (theimg[1]!="")
		imghtml+='<a href="'+theimg[1]+'" target="'+optlinktarget+'">'

	imghtml+='<img src="'+theimg[0]+'" vspace='+paddingtop+'; hspace='+paddingleft+';>'
	
	if (theimg[1]!="")
		imghtml+='</a>'
	
	return imghtml
}

function modifyimage(loadarea, imgindex){
	if (document.getElementById){
		var imgobj=document.getElementById(loadarea)
		imgobj.innerHTML=returnimgcode(dynimages[imgindex])
		return false
	}
}