function _Prompt(name){
	this.name = name;
	this.divprompt='function';
	this.prompt=null;
	this.cover = null;
	this.zIndex='5';
	this.background= '#FFFFF0';
	this.foreground= '#0000FF';
	this.bordercolor= '#535353';//'#9400D3';
	this.borderradius= '7px';
	this.framebordercolor = '#D2691E';
	this.font='Verdana,arial,MS Sans Serif';
	this.fontsize='12pt';
	this.windowstyle = 'font-family: '+this.font+';font-style: normal;font-size: '+this.fontsize+';font-weight: 400;color: '+this.foreground+';background: '+this.background;
	this.CallFromPrompt =new Function ();
	this.Display = function(msg,btn,field){
		var winsize= this.GetScreenSize();
		if (this.prompt==null){
			this.prompt = document.getElementById(this.divprompt);
			if (this.prompt ==null){
				this.CreatePrompt();
			}
		}
		if (this.cover ==null){
			this.cover=this.CreateElement('DIV');//document.createElement("DIV");
			this.cover.id='cover';
			//var d=document.getElementsByTagName("BODY")[0];;
			//d.appendChild(this.cover);
		}
		this.cover.style.position='absolute';
		this.cover.style.left='0px';
		this.cover.style.top='0px';
		this.cover.style.opacity=0.5;
		this.cover.style.filter='alpha(opacity=50)';
		this.cover.style.backgroundColor='#808080';
		this.cover.style.width=winsize[0]+'px';
		this.cover.style.height=winsize[1]+'px';
		this.cover.style.dispplay='block';
		this.cover.style.visible='visible';
		this.prompt.style.width=winsize[0]+'px';
		this.prompt.style.height=winsize[1]+'px';
		this.prompt.style.display='block';
		this.prompt.style.visible='visible';
		this.prompt.style.zIndex=this.zIndex;
		this.prompt.style.opacity=0.95;
		this.prompt.style.filter="alpha(opacity=95)";
		this.prompt.name=field;
		this.Show(msg,btn,field);
	}
	this.Show = function(msg,btn,field){
		var captionstyle = 'font-family: '+this.font+';font-style: normal;font-size: '+this.fontsize+';font-weight: 400;color: #FFFFFF;background-color: #330099;';
		var html = '';
		html = '<div style="position:absolute;left:0%;top:200px;width:100%;height:50%">';
		html = html + '<table  style="'+this.windowstyle+';border:2px solid '+this.bordercolor+';border-radius: '+this.borderradius+'" align = "center" border="0" cellspacing="0" cellpadding="02"><tr><td width="1px"></td><td align="center"><table width="100%" border=0>';
		
		//html = html + '<tr><td style="'+captionstyle+'" align="left">OSP Portal</td></tr>';
		html = html +this.FormatMessage(msg);
		html = html + this.FormatButton(btn);
		html = html + '</table></td><td width="1px"></td></tr></table></div>';
		this.prompt.innerHTML = html;
	}
	this.Click = function(index,name){
		if (this.prompt !=null){
			this.cover.style.width='0px';
			this.cover.style.height='0px';
			this.cover.style.display='none';
			this.cover.style.visible='hidden';
			this.prompt.style.width='0px';
			this.prompt.style.height='0px';
			this.prompt.style.display='none';
			this.prompt.style.visible='hidden';
			this.prompt.innerHTML='';
			this.CallFromPrompt(this.prompt.name,index,name);
			this.prompt.name='';
		}
	}
	this.FormatMessage= function(msg){
		var html = '';
		if (msg.length){
			var rowwidth=0;
			for (var i=0;i<msg.length;i++){
				rowwidth=Math.max(msg[i].length,rowwidth);
			}
			rowwidth=rowwidth+3;
			html = '<tr><td><table border="0" cellspacing="0" cellpadding="01" width="100%"><tr><td height="2px"></td></tr>'
			for (var i=0;i<msg.length;i++){
				var l = '<tr><td><input type="text" value="'+msg[i]+'" size= "'+rowwidth+'" readonly style="'+this.windowstyle+';border: none;-webkit-border-radius: 0px;-webkit-appearance: none"></td></tr>';
				html = html +l;
			}
			html = html +'<tr><td height="5px"></td></tr></table></td></tr>';
		}
		return html;
	}
	this.FormatButton = function (btn){
		var html = '';
		if (btn.length){
			html = '<tr><td align="center" style="border:1px solid '+this.framebordercolor+';border-radius:4px "><table border="0" cellspacing="02" cellpadding="0" width=10%><tr>';
			for (var i=0;i<btn.length;i++){
				var l = '<td align="center"><input type="button" style="width:80px" onclick=\''+this.name+'.Click('+i+',"'+btn[i]+'")\' name="'+i+'"  value="'+btn[i]+'" align="center"></td>';
				html = html + l;
			}
			html = html +'</tr></table></td></tr>';
		}
		return html;
	}
	this.Align= function(){
		if(this.prompt!=null){
			this.cover.style.width='1px';
			this.cover.style.height='1px';
			this.prompt.style.width='1px';
			this.prompt.style.height='1px';

			var winsize= this.GetScreenSize();
			this.cover.style.width=winsize[0]+'px';
			this.cover.style.height=winsize[1]+'px';
			this.prompt.style.width=winsize[0]+'px';
			this.prompt.style.height=winsize[1]+'px';
		}
	}
	this.CreatePrompt = function(){
/*		var d = document.getElementsByTagName("BODY")[0];
	    var div = document.createElement("DIV");
		d.appendChild(div);
*/		var div =this.CreateElement('DIV');
		div.style.width = '0px';
		div.style.height = '0px';
		div.style.position = 'absolute';
		div.style.left = '0px';
		div.style.top = '0px';
		div.style.display = 'none';
		this.prompt= div;
	}
	
	this.CreateElement = function(ename){
		var d = document.getElementsByTagName("BODY")[0];
	    var div = document.createElement(ename);
		d.appendChild(div);
		return div;
	}
	this.GetScreenSize = function(){
		var winsize = new Array();
		var winW = 630, winH = 460;
		var B = document.body,H = document.documentElement;
		if(document.height !== undefined) {
			winW = document.width
			winH = document.height // For webkit browsers
		} else {
			winW = Math.max( B.scrollWidth, B.offsetWidth,H.clientWidth, H.scrollWidth, H.offsetWidth );
			winH = Math.max( B.scrollHeight, B.offsetHeight,H.clientHeight, H.scrollHeight, H.offsetHeight );
		}
		winsize[0]=winW;
		winsize[1]=winH;
		winsize[2]= winsize[0];
		winsize[3] = winsize[1];
		if (window.innerWidth && window.innerHeight) {
			winsize[2]= window.innerWidth;
			winsize[3] = window.innerHeight;
		}
		
		return winsize;
	}
}