写了一个遮罩层函数,但有一个问题就是无法让遮罩背景层自适应屏幕大小,想在现有函数基础上进行修改,没有思路,在此求助,谢谢!代码:<script>
function gid(id){
return document.getElementById(id);
}function popa(id,src){
if(!gid(id)) return false;
var viewA=gid(id);
var viewB=gid("viewB");
var viewM=gid("viewM");
var viewC=gid("viewC");
var viewP=gid("viewP");
var sysC,sysW,sysH; if(document.compatMode=="CSS1Compat"){
sysC=document.documentElement;
sysW=document.documentElement.clientWidth;
sysH=document.documentElement.clientHeight;
}else{
sysC=document.body;
sysW=document.body.clientWidth;
sysH=document.body.clientHeight;
} function popS(){
viewB.style.display="block";
viewB.style.width=sysW+"px"; //当window.onresize时想让宽度自适应屏幕大小
viewB.style.height=sysH+"px"; //当window.onresize时想让高度自适应屏幕大小
viewM.style.display="block";
viewM.style.left=(sysW/2-viewM.offsetWidth/2)+"px";
viewM.style.top=(sysH/2-viewM.offsetHeight/2)+"px";
viewP.src=src;
sysC.style.cssText="overflow:hidden";
} function popC(){
viewB.style.cssText="display:none;";
viewM.style.cssText="display:none;";
sysC.style.cssText="overflow:auto;";
} viewA.onclick=popS
viewC.onclick=popC;
viewB.onclick=popC;}
// =pop
popa("appmPhoto","img/product_n_big.gif");
</script>
function gid(id){
return document.getElementById(id);
}function popa(id,src){
if(!gid(id)) return false;
var viewA=gid(id);
var viewB=gid("viewB");
var viewM=gid("viewM");
var viewC=gid("viewC");
var viewP=gid("viewP");
var sysC,sysW,sysH; if(document.compatMode=="CSS1Compat"){
sysC=document.documentElement;
sysW=document.documentElement.clientWidth;
sysH=document.documentElement.clientHeight;
}else{
sysC=document.body;
sysW=document.body.clientWidth;
sysH=document.body.clientHeight;
} function popS(){
viewB.style.display="block";
viewB.style.width=sysW+"px"; //当window.onresize时想让宽度自适应屏幕大小
viewB.style.height=sysH+"px"; //当window.onresize时想让高度自适应屏幕大小
viewM.style.display="block";
viewM.style.left=(sysW/2-viewM.offsetWidth/2)+"px";
viewM.style.top=(sysH/2-viewM.offsetHeight/2)+"px";
viewP.src=src;
sysC.style.cssText="overflow:hidden";
} function popC(){
viewB.style.cssText="display:none;";
viewM.style.cssText="display:none;";
sysC.style.cssText="overflow:auto;";
} viewA.onclick=popS
viewC.onclick=popC;
viewB.onclick=popC;}
// =pop
popa("appmPhoto","img/product_n_big.gif");
</script>
if(!gid(id)) return false;
var viewA=gid(id);
var viewB=gid("viewB");
var viewM=gid("viewM");
var viewC=gid("viewC");
var viewP=gid("viewP");
var sysC,sysW,sysH; if(document.compatMode=="CSS1Compat"){
sysC=document.documentElement;
sysW=document.documentElement.clientWidth;
sysH=document.documentElement.clientHeight;
}else{
sysC=document.body;
sysW=document.body.clientWidth;
sysH=document.body.clientHeight;
}
//////////////////////
window.onresize=function(){
if(document.compatMode=="CSS1Compat"){
sysC=document.documentElement;
sysW=document.documentElement.clientWidth;
sysH=document.documentElement.clientHeight;
}else{
sysC=document.body;
sysW=document.body.clientWidth;
sysH=document.body.clientHeight;
}
}
//////////////////////
function popS(){
viewB.style.display="block";
viewB.style.width=sysW+"px";
viewB.style.height=sysH+"px";
viewM.style.display="block";
viewM.style.left=(sysW/2-viewM.offsetWidth/2)+"px";
viewM.style.top=(sysH/2-viewM.offsetHeight/2)+"px";
viewP.src=src;
sysC.style.cssText="overflow:hidden";
} function popC(){
viewB.style.cssText="display:none;";
viewM.style.cssText="display:none;";
sysC.style.cssText="overflow:auto;";
} viewA.onclick=popS
viewC.onclick=popC;
viewB.onclick=popC;}
window.onresize=function(){
if(document.compatMode=="CSS1Compat"){
sysC=document.documentElement;
sysW=document.documentElement.clientWidth;
sysH=document.documentElement.clientHeight;
}else{
sysC=document.body;
sysW=document.body.clientWidth;
sysH=document.body.clientHeight;
}//////////////////////忘记重新设置位置了,添加下面的
viewB.style.width=sysW+"px";
viewB.style.height=sysH+"px";
viewM.style.left=(sysW/2-viewM.offsetWidth/2)+"px";
viewM.style.top=(sysH/2-viewM.offsetHeight/2)+"px";
}