var isIE = (navigator.appName.indexOf("Microsoft")!=-1)? true:false;
function autoIframe(frameId){
try{
frame = document.getElementById(frameId);
innerDoc = (frame.contentDocument) ? frame.contentDocument : frame.contentWindow.document;
objToResize = (frame.style) ? frame.style : frame;
objToResize.height = innerDoc.body.scrollHeight + 30 + "px";
}catch(err){}
}
function SetUniqueRadioButton(nameregex, current)
{
   re = new RegExp(nameregex);
   var arr = document.getElementsByTagName("input");
   for(i = 0; i < arr.length; i++)
   {
      elm = arr[i];
      if (elm.type == 'radio')
      {
         if (re.test(elm.name))
         {
            elm.checked = false;
         }
      }
   }
   current.checked = true;
};
$(document).ready(function() {
    //setTimeout(function(){preloadCssImages.Load();}, 100);
});
var preloadCssImages = {
    imgUrls: [],
    errorDelay: 500,
    loaded: 0,
    //errorTimer : null,
    divPreImages: null,
    
    Load: function() {
        this.parseCSS(document.styleSheets);
    },
    
    InitPreImageDiv: function() {
        this.divPreImages = document.createElement("div");
        this.divPreImages.style.display = "none";
        this.divPreImages.style.visibility = "hidden";
        document.body.appendChild(this.divPreImages);
    },
    
    inArray: function( elem, array ) {
		for ( var i = 0, length = array.length; i < length; i++ )
			if ( array[ i ] === elem )
				return i;
		return -1;
	},
	
    parseCSS: function(sheets) {
        var w3cImport = false,
			imported = [],
			importedSrc = [],
			baseURL;
		var sheetIndex = sheets.length;
		while(sheetIndex--){//loop through each stylesheet
			var cssPile = '';//create large string of all css rules in sheet
			var csshref = (sheets[sheetIndex].href) ? sheets[sheetIndex].href : 'window.location.href';
			var baseURLarr = csshref.split('/');//split href at / to make array
			baseURLarr.pop();//remove file path from baseURL array
			baseURL = baseURLarr.join('/');//create base url for the images in this sheet (css file's dir)
			if (baseURL) {
				baseURL += '/'; //tack on a / if needed
	        }
	        if(sheets[sheetIndex].cssRules || sheets[sheetIndex].rules){
				thisSheetRules = (sheets[sheetIndex].cssRules) ? //->>> http://www.quirksmode.org/dom/w3c_css.html
					sheets[sheetIndex].cssRules : //w3
					sheets[sheetIndex].rules; //ie 
				var ruleIndex = thisSheetRules.length;
				while(ruleIndex--){
					if(thisSheetRules[ruleIndex].style && thisSheetRules[ruleIndex].style.cssText){
						var text = thisSheetRules[ruleIndex].style.cssText;
						if(thisSheetRules[ruleIndex].selectorText.indexOf('hover') != -1) { //only add hover class....
						    if(text.toLowerCase().indexOf('url') != -1){ // only add rules to the string if you can assume, to find an image, speed improvement
							    cssPile += text; // thisSheetRules[ruleIndex].style.cssText instead of thisSheetRules[ruleIndex].cssText is a huge speed improvement
						    }
						}
					} else if(thisSheetRules[ruleIndex].styleSheet) {
						imported.push(thisSheetRules[ruleIndex].styleSheet);
						w3cImport = true;
					}
					
				}
			}
			//parse cssPile for image urls
			var tmpImage = cssPile.match(/[^\("]+\.(gif|jpg|jpeg|png)/g);
			//reg ex to get a string of between a "(" and a ".filename" / '"' for opera-bugfix
			if(tmpImage){
				var i = tmpImage.length;
				while(i--){ // handle baseUrl here for multiple stylesheets in different folders bug
					var imgSrc = (tmpImage[i].charAt(0) == '/' || tmpImage[i].match('://')) ? // protocol-bug fixed
						tmpImage[i] : 
						baseURL + tmpImage[i];
					
					if(this.inArray(imgSrc, this.imgUrls) == -1){
						this.imgUrls.push(imgSrc);
					}
				}
			}
			if(!w3cImport && sheets[sheetIndex].imports && sheets[sheetIndex].imports.length) {
				for(var iImport = 0, importLen = sheets[sheetIndex].imports.length; iImport < importLen; iImport++){
					var iHref = sheets[sheetIndex].imports[iImport].href;
					iHref = iHref.split('/');
					iHref.pop();
					iHref = iHref.join('/');
					if (iHref) {
						iHref += '/'; //tack on a / if needed
					}
					var iSrc = (iHref.charAt(0) == '/' || iHref.match('://')) ? // protocol-bug fixed
						iHref : 
						baseURL + iHref;
					
					importedSrc.push(iSrc);
					imported.push(sheets[sheetIndex].imports[iImport]);
				}
			}
		}//loop
		if(imported.length){
			parseCSS(imported, importedSrc);
			return false;
		}
		if( this.imgUrls && this.imgUrls.length > 0 ) {
		    this.InitPreImageDiv();
		    this.loadImgs();
		}
    },
    
    loadImgs: function(){
        if(this.imgUrls && this.imgUrls.length){
            for ( var i = 0, length = this.imgUrls.length; i < length; i++ )
            {
			    var img = new Image(); //new img obj
			    img.src = this.imgUrls[i];	//set src either absolute or rel to css dir
			    this.divPreImages.appendChild(img);
			}
		}    
    }
}
function setLeftMenuHeight()
{
    var height = $("#dvConent").height();
    if( height < 530 )
    {
        height = 530;
    }
    $("#dvLeftMenu").height(height+"px");
}
function setContentHeight()
{
    var height = $("#dvContentDtl").height();
    if( height < 520 )
    {
        $("#dvContentDtl").height("520px");
    }    
}
function AutoContentHeight()
{
    setContentHeight()
    setLeftMenuHeight();
}