function ImgChange(path,target){
	document.images[target].src=path;
}

function mainChange(path){
	document.images["mainimg"].src=path;
}

function wOpen1(URLStr,WinName) {
	intLeft = (screen.width - 740) / 2; 
    intTop = (screen.height - 500) / 2; 
    if(intLeft < 0) intLeft = 0; 
    if(intTop < 0) intTop = 0; 
    if(WinName == null) WinName = "eap"; 
   //if(!newWin.closed) newWin.close(); 
    newWin = window.open(
                    URLStr,WinName,
                    'status=0,location=0,scrollbars=' + 'yes' + 
                    ',resizable=' + 'no' + 
                    ',toolbar=0,directories=0,menubar=0,width=' + '740' +
                    ',height=' + '500' +
                    ',left=' + intLeft + 
                    ', top=' + intTop + 
                    ',screenX=' + intLeft + 
                    ',screenY=' + intTop
                    ); 
     return false;
}