电子商务--B2B网站源码

function reportError(msg,url,line) { var str = "You have found an error as below: \n\n"; str += "Err: " + msg + " on line: " + line; alert(str); return true; } window.onerror = reportError; var obj_marquee = document.getElementById("marquee"); var repeat = null; var marquee_spd = 50; function marquee_init() { var obj_unit = obj_marquee.firstChild; var marquee_high = parseInt(obj_marquee.style.height); var marquee_wide = parseInt(obj_marquee.style.width); var unit_high = obj_unit.offsetHeight; var unit_wide = obj_unit.offsetWidth; var m = 0, n = 0, i = 0; var tmp = null; m = Math.ceil(marquee_wide / unit_wide); n = Math.ceil(marquee_high / unit_high); obj_unit.style.width = marquee_wide * (m+1); obj_unit.rows[0].cells[0].style.width = obj_marquee.style.width; for(i=0; i<m; i++) { tmp = obj_unit.rows[0].insertCell(-1); tmp.innerHTML = obj_unit.rows[0].cells[0].innerHTML; tmp.style.width = marquee_wide; tmp = null; } for(i=0; i<n; i++) { obj_marquee.appendChild(obj_unit.cloneNode(true)); } return; } function marquee_show(direction) { switch(direction) { case "up": if(obj_marquee.scrollTop >= obj_marquee.children[1].offsetTop) { obj_marquee.scrollTop -= obj_marquee.firstChild.offsetHeight; } else { obj_marquee.scrollTop++; } break; case "down": if(obj_marquee.scrollTop <= 0) { obj_marquee.scrollTop += obj_marquee.firstChild.offsetHeight; } else { obj_marquee.scrollTop--; } break; case "left": if(obj_marquee.scrollLeft >= obj_marquee.firstChild.rows[0].cells[0].offsetWidth) { obj_marquee.scrollLeft -= obj_marquee.firstChild.rows[0].cells[0].offsetWidth; } else { obj_marquee.scrollLeft++; } break; case "right": if(obj_marquee.scrollLeft <= 0) { obj_marquee.scrollLeft += obj_marquee.firstChild.rows[0].cells[0].offsetWidth; } else { obj_marquee.scrollLeft--; } break; default: break; } return; } function marquee_doit() { var direction = ""; direction = obj_marquee.getAttribute("direction"); if(direction != null) marquee_show(direction); direction = obj_marquee.getAttribute("direction2"); if(direction != null) marquee_show(direction); return; } marquee_init(); repeat = setInterval("marquee_doit()",marquee_spd); marquee.onmouseover = function() {clearInterval(repeat);} marquee.onmouseout = function() {repeat=setInterval("marquee_doit()",marquee_spd);}