function openWin(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}


function changeImg(imgName, fileName)
{
	eval("document.all."+imgName+".src ='"+fileName+"';");
}

function changeTb(tbName, tbCount, tbNum) {

	var a;
	for(i=1;i<=tbCount;i++){
		
		a = eval("document.all."+tbName+i);

		if(i != tbNum) {
			a.style.display = 'none';
		}
		else {
			a.style.display = 'block';
		}
	}
}

function changeTb2(trName, isOpen) {

	var a;

	//a = eval("document.all."+trName);

	a = eval("document.getElementById('"+trName+"')");
	//a = eval("document.getElementById(\""+trName+"\")");
	
	if(isOpen == "open") {
		a.style.display = 'block';
	}
	else {
		a.style.display = 'none';
	}

}

function changeImg2(imgName, imgCount, selectImgNum, imgPath) {
	var a;
	for(i=1;i<=imgCount;i++){
		a = imgName+""+i;

		if(i != selectImgNum) {
			eval(a+".src ='"+imgPath+a+".gif';");
		}
		else {
			eval(a+".src ='"+imgPath+a+"o.gif';");
		}
	}
}


function clearText(thefield){
if(thefield.defaultValue==thefield.value)
	thefield.value = ""
}