js pops up a div and displays the mask layer

Copy code code as follows:

// ------------------------------------------

// Popdivid: The ID of the layer div

// Dragdivid: Used to drag the ID of the DIV

// iSshowmask: Whether the mask layer is displayed

function popDivShow(popDivId, dragDivId, isShowMask) {

if (ISSHOWMASK) {

Creatmask (Popdivid);

}

var own = document.GetelementByid (Popdivid);

var own_tital = document.GetelementByid (Dragdivid);

var bdrag = false;

Var Disx = Disy = 0;

owins.style.display = "block";

owins_tital.onmousedown = Function (Event) {{

var every = event || window.event;

bdrag = true;

disx = event.clientx -owins.offsetlect;

disy = event.clienty -owins.offsettop;

this.setCapture &&S.Setcapture ();

Return false;

};

document.onMousemove = Function (Event) {

if (! BDRAG)

Return;

var every = event || window.event;

var IL = Event.clientx -DISX;

var it = event.clienty -disy;

var maxl = document.documentedLement.clientWidth -Owins.OffsetWidth;

var maxt = document.documentedLement.clientheight -owins.offsetheight;

IL = IL <0? 0: IL;

IL = IL> Maxl? Maxl: IL;

IT = IT <0? 0: IT;

it = it> maxt? Maxt: it;

owins.style.margintop = owins.style.marginleft = 0;

owins.style.left = IL + "PX";

owins.style.top = it + "px";

Return false;

};

document.onMouseup = Window.onblur = Owins_title.onLoseCapture = Function () {

bdrag = false;

Owins_tital.releasecapture &&PINS_TITLE.ReleaseCapture ();

};

}

// Hide the pop -up layer

Function Popdivhidden (Popdivid) {{

var own = document.GetelementByid (Popdivid);

owins.style.display = "None";

Window.parent.document.body.Removechild (window.parent.document.GetelementByid ("Maskdiv")

}

// Get the pop -up layer Zindex

Function Getzindex (Popdivid) {

varpoDIV = document.GetelementByid (Popdivid);

varpoDivzindex = Popdiv.style.zindex;

Return Popdivzindex;

}

// Create a mask layer

Function Creatmask (Popdivid) {{

// Parameter W is the width of the pop -up page, parameter H is the height of the pop -up page, parameter S is the path of the pop -up page

var maskdiv = window.parent.document.createElement ("div");

maskdiv.id = "Maskdiv";

maskdiv.style.position = "fixed";

maskdiv.style.top = "0";

maskdiv.style.left = "0";

maskdiv.style.zindex = Getzindex (Popdivid) -1;

Maskdiv.style.BackgroundColor = "#333";

Maskdiv.style.filter = "alpha (opacity = 70)";

Maskdiv.style.oPacity = "0.7";

maskdiv.style.width = "100%";

Maskdiv.style.head = (Window.parent.document.body.scrollHeight + 50) + "px";

window.parent.document.body.appendchild (Maskdiv);

Maskdiv.onMousedown = Function () {

Window.parent.document.body.Removechild (window.parent.document.GetelementByid ("Maskdiv")

};

}