var cS='W',tX,tY,tW,tH,mX,mY,pX,pY,pW,pH,pu,cT,nT,sB,sC,ms,pT,eP,eT;

function thumb_mouseover(e){
var i=window.event?window.event.srcElement:e.target;
	switch(cS){
	case'W':
	case'L':
	case'I':
	case'D':
		I(i);
	break;
	default:
		nT=i;
	}
}

function oPT(){
	switch(cS){
	case'I':
		L();
	break;
	case'D':
		U();
	break;
	}
}

function comp_load(){
	switch(cS){
	case'I':
		D();
	break;
	case'L':
		U();
	break;}
}

function comp_click(){
	window.location=cT.parentNode.href;
}

function mousemove(e){
	//alert(navigator.appName);
	if(navigator.appName == "Microsoft Internet Explorer"){
		mX=window.event.clientX+document.body.scrollLeft;
		mY=window.event.clientY+document.body.scrollTop;
	}else{
		mX=e.clientX+document.body.scrollLeft;
		mY=e.clientY+document.body.scrollTop;
	}
	if(mX>tX+tW||mY>tY+tH||mX<tX||mY<tY)mO();
}

function I(image){
	cS='I';
	cT=image;
	nT=null;
	pu=document.getElementById("pu");
	sB=document.getElementById("sB");
	sC=document.getElementById("sC");
	ms=document.getElementById("ms");
	clearTimeout(pT);
	pT=setTimeout(oPT,500);
	pu.src=image.getAttribute("compsrc");
	pu.onload=comp_load;
	tX=tY=0;
	var offset=image;
	while(offset!=null){
		tX+=offset.offsetLeft;
		tY+=offset.offsetTop;
		offset=offset.offsetParent;
	}
	tW=image.offsetWidth;
	tH=image.offsetHeight;
	document.body.onmousemove=mousemove;
}

function L(){
	cS='L';
	cT.style.cursor="wait";
	ms.style.left=mX+10;
	ms.style.top=mY+10;
	ms.style.display="block";
}

function mO(){
	switch(cS){
	case'S':
		O();
	break;
	case'L':
	case'D':
	case'I':
		W();
	break;
	}
}

function D(){
	cS='D';
}
function U(){
	cS='U';
	pu.style.display="block";
	pW=pu.width;
	pH=pu.height;
	pX=tX+(tW/2)-(pW/2);
	pY=tY+(tH/2)-(pH/2);
	pX=Math.max(pX,document.body.scrollLeft);
	pY=Math.max(pY,document.body.scrollTop);
	pX=Math.min(pX,document.body.scrollLeft+document.body.clientWidth-pW);
	pY=Math.min(pY,document.body.scrollTop+document.body.clientHeight-pH);
	cT.style.cursor="auto";
	ms.style.display="none";
	pu.style.display="block";
	eP=0.2;itU();
}

function itU(){
	clearTimeout(eT);
	if(eP<1){
		eP+=0.2;sE();
		eT=setTimeout(itU,40);
	}
	if(eP==1)S();
}

function itO(){
	clearTimeout(eT);
	if(eP>.25){
		eP-=0.25;sE();
		eT=setTimeout(itO,40);
	}
	else W();
}

function sE(){
	pu.style.width=tW+(pW-tW)*eP;
	pu.style.height=tH+(pH-tH)*eP;
	pu.style.left=tX+(pX-tX)*eP;
	pu.style.top=tY+(pY-tY)*eP;
}

function S(){
	cS='S';
	sC.width=pW-40;
	sC.height=pH-47;
	sB.style.left=pu.style.left;
	sB.style.top=pu.style.top;
	sB.style.display="block";
	if(navigator.appName == "Microsoft Internet Explorer"){
		var ief=document.getElementById("ief");
		ief.style.width=sB.offsetWidth;
		ief.style.height=sB.offsetHeight;
		ief.style.left=pu.style.left;
		ief.style.top=pu.style.top;
		ief.style.display="block";
	}
}

function O(){
	cS='O';
	if(navigator.appName == "Microsoft Internet Explorer"){
		document.getElementById("ief").style.display="none";
	}
	sB.style.display="none";
	itO();
}

function W(){
	cS='W';
	pu.style.display="none";
	ms.style.display="none";
	pu.style.width="auto";
	pu.style.height="auto";
	if(nT!=null)I(nT);
}