function GP_PreloadImages(){var doc = document;if(doc.images){if(!doc.imgOut)doc.imgOut = new Array();var i, j = doc.imgOut.length, args = GP_PreloadImages.arguments;
for(i=0; i < args.length; i++){doc.imgOut[j] = new Image();doc.imgOut[j++].src = args[i];}}}
function GP_GetImage(img_name){var img_url;
if(document.getElementById){img_url = document.getElementById(img_name);}else if(document.all){img_url = document.all[img_name];}else if(document.layers){img_url = document.layerrs[img_name];}return img_url; }
function GP_SwapImage(img_name, ovr_img){document.has_img = new Number(1);if((GP_img = GP_GetImage(img_name)) != null){GP_img.org_src = GP_img.src;GP_img.src = ovr_img;}}
function GP_RestoreImage(){var i = document.has_img;if(i != null){if(GP_img != null && GP_img.org_src)GP_img.src = GP_img.org_src;}}
function GP_openWam(){document.wam = window.open('wam.htm','tip','toolbar=no,scrollbars=yes,location=no,status=no,menubar=no,resizable=yes,width=510px,height=400px'); document.wam.focus();}