//switch the small photo and big photo, meanwhile change the big photo's caption;
//
//docID1--big photo;
//docID2--small photo;
//b1,b2,b3--three big photos
//s1,s2,s3--three small photos
//c1,c2,c3--three big photos's caption
function changeimage2(docID1,docID2,b1,b2,b3,s1,s2,s3,c1,c2,c3){
			var arrSmall, arrBig;
			var small;
			var big;
			arrSmall = document.images[docID2].src.split("/");
			small ="photos/"+ arrSmall.reverse()[0];
			//alert(small);
			
			arrBig = document.images[docID1].src.split("/");
			big = "photos/" + arrBig.reverse()[0];
			//alert(big)
			
			
			if ((small == s1) && ( big == b2)){
			
				document.images[docID2].src = s2;
				document.images[docID1].src = b1;
				if (document.layers) {
				caplayer = document.layers["caption1"];
				caplayer.visibility = "visiable";
				caplayer.document.open();
				caplayer.document.write("<font face=Verdana size=1>"+c1+"</font>");
				caplayer.document.close();
				
				document.layers["caption"].visibility = "hidden";
				}
				if ((document.all && navigator.appVersion.indexOf("4.")) >=0){
					document.all.caption.innerText = c1; 
					}
				else if (navigator.appName.indexOf("Netscape") >= 0){
					document.getElementById("caption").innerHTML = c1;
					} 	
				
			   }
			else if ((small == s1) && (big == b3)){
				document.images[docID2].src = s3;
				document.images[docID1].src = b1;
				if (document.layers) {
				caplayer = document.layers["caption1"];
				caplayer.visibility = "visiable";
				caplayer.document.open();
				caplayer.document.write("<font face=Verdana size=1>"+c1+"</font>");
				caplayer.document.close();
				
				document.layers["caption"].visibility = "hidden";
				}
				if ((document.all && navigator.appVersion.indexOf("4.")) >=0){
					document.all.caption.innerText = c1; 
					}
				else if (navigator.appName.indexOf("Netscape") >= 0){
					document.getElementById("caption").innerHTML  =c1;
					} 	
				
			   }
			else if ((small == s2) && (big == b1)){
				document.images[docID2].src = s1;
				document.images[docID1].src = b2;
				if (document.layers) {
				caplayer = document.layers["caption1"];
				caplayer.visibility = "visiable";
				caplayer.document.open();
				caplayer.document.write("<font face=Verdana size=1>"+c2+"</font>");
				caplayer.document.close();
				
				document.layers["caption"].visibility = "hidden";
				}
				if ((document.all && navigator.appVersion.indexOf("4.")) >=0){
					document.all.caption.innerText = c2; 
					}
				else if (navigator.appName.indexOf("Netscape") >= 0){
					document.getElementById("caption").innerHTML  =c2;
					} 	
				
			   }
			else if ((small == s2) && (big == b3)){
				document.images[docID2].src = s3;
				document.images[docID1].src = b2; 
				
				if (document.layers) {
				caplayer = document.layers["caption1"];
				caplayer.visibility = "visiable";
				caplayer.document.open();
				caplayer.document.write("<font face=Verdana size=1>"+c2+"</font>");
				caplayer.document.close();
				
				document.layers["caption"].visibility = "hidden";
				}
				if ((document.all && navigator.appVersion.indexOf("4.")) >=0){
					document.all.caption.innerText = c2; 
					}
				else if (navigator.appName.indexOf("Netscape") >= 0){
					document.getElementById("caption").innerHTML  =c2;
					} 	
				
			   }
			else if ((small == s3) && (big == b1)){
				document.images[docID2].src = s1;
				document.images[docID1].src = b3;
				
				if (document.layers) {
				caplayer = document.layers["caption1"];
				caplayer.visibility = "visiable";
				caplayer.document.open();
				caplayer.document.write("<font face=Verdana size=1>"+c3+"</font>");
				caplayer.document.close();
				
				document.layers["caption"].visibility = "hidden";
				}
				if ((document.all && navigator.appVersion.indexOf("4.")) >=0){
					document.all.caption.innerText = c3; 
					}
				else if (navigator.appName.indexOf("Netscape") >= 0){
					document.getElementById("caption").innerHTML  =c3;
					} 	
				
			   }
			else if ((small == s3) && (big == b2)){
				document.images[docID2].src = s2;
				document.images[docID1].src = b3;
				if (document.layers) {
				caplayer = document.layers["caption1"];
				caplayer.visibility = "visiable";
				caplayer.document.open();
				caplayer.document.write("<font face=Verdana size=1>"+c3+"</font>");
				caplayer.document.close();
				
				document.layers["caption"].visibility = "hidden";
				}
				if ((document.all && navigator.appVersion.indexOf("4.")) >=0){
					document.all.caption.innerText = c3; 
					}
				else if (navigator.appName.indexOf("Netscape") >= 0){
					document.getElementById("caption").innerHTML  =c3;
					} 	
				
			   } 
		
}
	
	
function changeimage3(docID1,docID2,b1,b2,b3,s1,s2,s3,c1,c2,c3){
			var arrSmall, arrBig;
			var small;
			var big;
			var caplayer;
			arrSmall = document.images[docID2].src.split("/");
			small = "photos/" + arrSmall.reverse()[0];
			//alert(small);
			
			arrBig = document.images[docID1].src.split("/");
			big = "photos/" + arrBig.reverse()[0];
			//alert(big);
			
			
			
	    	if ((small == s1) && (big == b2)){
	    		document.images[docID2].src = s2; 
				document.images[docID1].src = b1;
	    		if (document.layers) {
				caplayer = document.layers["caption1"];
				caplayer.visibility = "visiable";
				caplayer.document.open();
				caplayer.document.write("<font face=Verdana size=1>"+c1+"</font>");
				caplayer.document.close();
				
				document.layers["caption"].visibility = "hidden";
				}
				if ((document.all && navigator.appVersion.indexOf("4.")) >=0){
					document.all.caption.innerText = c1; 
					}
				else if (navigator.appName.indexOf("Netscape") >= 0){
					document.getElementById("caption").innerHTML = c1;
					} 	
				
			   }
			else if ((small == s1) && (big == b3)){
			
				document.images[docID2].src = s3; 
				document.images[docID1].src = b1;
				if (document.layers) {
				caplayer = document.layers["caption1"];
				caplayer.visibility = "visiable";
				caplayer.document.open();
				caplayer.document.write("<font face=Verdana size=1>"+c1+"</font>");
				caplayer.document.close();
				
				document.layers["caption"].visibility = "hidden";
				}
				
				if ((document.all && navigator.appVersion.indexOf("4.")) >=0){
					document.all.caption.innerText = c1; 
					}
				else if (navigator.appName.indexOf("Netscape") >= 0){
					document.getElementById("caption").innerHTML = c1;
					} 	
				
			   }
			else if ((small == s2) && (big == b1)){
				//alert("here");
				document.images[docID2].src = s1;
				document.images[docID1].src = b2;
								
				if (document.layers) {
				caplayer = document.layers["caption1"];
				caplayer.visibility = "visiable";
				caplayer.document.open();
				caplayer.document.write("<font face=Verdana size=1>"+c2+"</font>");
				caplayer.document.close();
				
				
				document.layers["caption"].visibility = "hidden";
				}
			
				if ((document.all && navigator.appVersion.indexOf("4.")) >=0){
					document.all.caption.innerText = c2; 
					}
				else if (navigator.appName.indexOf("Netscape") >= 0){
					document.getElementById("caption").innerHTML = c2;
					} 	
				
			   }
			else if ((small == s2) && (big == b3)){
				document.images[docID2].src = s3;
				document.images[docID1].src = b2;
				if (document.layers) {
				caplayer = document.layers["caption1"];	
				caplayer.visibility = "visiable";
				caplayer.document.open();
				caplayer.document.write("<font face=Verdana size=1>"+c2+"</font>");
				caplayer.document.close();
				
				document.layers["caption"].visibility = "hidden";
				}
				if ((document.all && navigator.appVersion.indexOf("4.")) >=0){
					document.all.caption.innerText = c2; 
					}
				else if (navigator.appName.indexOf("Netscape") >= 0){
					document.getElementById("caption").innerHTML = c2;
					} 	
				
			   }
			else if ((small == s3) && (big == b1)){
				document.images[docID2].src = s1;
				document.images[docID1].src = b3;
				if (document.layers) {
				caplayer = document.layers["caption1"];
				caplayer.visibility = "visiable";
				caplayer.document.open();
				caplayer.document.write("<font face=Verdana size=1>"+c3+"</font>");
				caplayer.document.close();
				
				document.layers["caption"].visibility = "hidden";
				}
				if ((document.all && navigator.appVersion.indexOf("4.")) >=0){
					document.all.caption.innerText = c3; 
					}
				else if (navigator.appName.indexOf("Netscape") >= 0){
					document.getElementById("caption").innerHTML = c3;
					} 	
				
			   }
			else if ((small == s3) && (big = b2)){
				document.images[docID2].src = s2;
				document.images[docID1].src = b3;
				if (document.layers) {
				caplayer = document.layers["caption1"];
				caplayer.visibility = "visiable";
				caplayer.document.open();
				caplayer.document.write("<font face=Verdana size=1>"+c3+"</font>");
				caplayer.document.close();
				
				document.layers["caption"].visibility = "hidden";
				}
				if ((document.all && navigator.appVersion.indexOf("4.")) >=0){
					document.all.caption.innerText = c3; 
					}
				else if (navigator.appName.indexOf("Netscape") >= 0){
					document.getElementById("caption").innerHTML = c3;
					} 	
				
			   }         
		
}