function showcenterdivAlert(d,e,i){var k,j;if(self.pageYoffset){k=self.pageXoffset;j=self.pageYoffset}else{if(document.documentElement&&document.documentElement.scrollTop){k=document.documentElement.scrollLeft;j=document.documentElement.scrollTop}else{if(document.body){k=document.body.scrollLeft;j=document.body.scrollTop}}}var l=getBrowserHeight();var g,f;g=l.width;f=l.height;var b=(g+k)/2-(d/2);var h=j+((f)/2-(e/2));var c=i;var a;if(c.style){a=c.style}else{a=document.getElementById(c).style}a.top=(h-70)+"px";a.left=b+"px"}function getBrowserHeight(){var b=0;var a=0;if(typeof window.innerWidth=="number"){b=window.innerHeight;a=window.innerWidth}else{if(document.documentElement&&(document.documentElement.clientWidth||document.documentElement.clientHeight)){b=document.documentElement.clientHeight;a=document.documentElement.clientWidth}else{if(document.body&&(document.body.clientWidth||document.body.clientHeight)){b=document.body.clientHeight;a=document.body.clientWidth}}}return{width:parseInt(a),height:parseInt(b)}}var clearAbout;function ShowAbout(){showcenterdivAlert("280","175","divAbout");document.getElementById("dvBackOpacityDiv").style.width=(document.body.clientWidth-1)+"px";document.getElementById("dvBackOpacityDiv").style.height=(document.body.clientHeight)+"px";document.getElementById("dvBackOpacityDiv").style.visibility="visible";document.getElementById("divAbout").style.visibility="visible";SendBookMail()}function HideAbout(){HideDivAbout()}function ClearTimeAbout(){document.getElementById("dvBackOpacityDiv").style.visibility="visible";document.getElementById("divAbout").style.visibility="visible";clearTimeout(clearAbout)}function HideDivAbout(){document.getElementById("dvBackOpacityDiv").style.visibility="hidden";document.getElementById("divAbout").style.visibility="hidden"};